Research

Geyer, H.S. 2024. Grey governance: Micro-regional territorial governance through customary land management systems in informal peri-urban settlements. In Du Plessis, D. (Ed.). Territorial Governance and Spatial Transformation in Post-Apartheid South Africa. Switzerland: Springer Nature. Forthcoming.

Geyer, H.S. 2024. Zoning and the right city: The challenges of zoning and possibilities of unzoning informality. International Journal of Urban and Regional Research. Forthcoming.

Geyer, H.S. and van Lille, G. 2024. The Medicalisation of Solid Waste: Coordination Challenges of Domestic Biomedical Risk Waste in Illegal Dumping Sites in Informal Settlements in Cape Town. Habitat International. Forthcoming.

Geyer, H.S. 2024. The Theory and Praxis of Mixed-Use Development – An Integrative Literature Review. Cities. Forthcoming.

Geyer, H.S. 2024. Customary Land Management Systems and Urban Planning in Peri-Urban Informal Settlements. Urban Studies. Forthcoming.

Horn, A. 2024. Citizen Participation, Network Building and the Space Between: the Importance of NGOs in Community and Spatial Transformation. In Du Plessis, D. (Ed.). Territorial Governance and Spatial Transformation in Post-Apartheid South Africa. Switzerland: Springer Nature. Forthcoming.

Geyer, H.S. 2023. Can informality help create smart, sustainable cities? The vibrancy of self-organised informal settlements in Cape Town. 88(3), 2471-2489.

Geyer, H.S. 2023. The negotiated regulation of informal mixed-use developments and tenure through customary land management systems. International Development Planning Review, 45(3), 321-343.

Geyer, H.S. 2023. Precarious and non-precarious work in the informal sector: Evidence from South Africa. Urban Studies, 60(10) 1915–1931.

Geyer, H.S. 2023. Conflicts and synergies between customary land use management and urban planning in informal settlements. Land Use Policy, 125(2), 106-129.

Horn, A., & Visser, G. 2023. Tourism Gentrification in Urban Africa: Towards a Research Agenda. Studia Periegetica, 43(3), 7–24.

Willemse, L. 2023. The dynamics and uniqueness of semigration to Hermanus from across South Africa. GeoJournal, 88: 5129–5151.

Creighton, C. & Willemse, L. 2022. Determining the socio-demographic and socio-economic factors influencing the selection of the mode of transport to work in the City of Johannesburg and City of Tshwane. In Sandham L, Hansen C & Meiklejohn I. (Eds.). Proceedings of the 2021 Joint Biennial Conference of the Society of South African Geographers and the Southern African Association of Geomorphologists, 7-29, published online.

Du Plessis, D.J. 2022. The impact of COVID-19 on urban form and governance: Early experiences from the City of Cape Town. In Nunes Silva C (ed.). Local Government and the COVID-19 pandemic (pp.687-711). Springer: Switzerland AG.

Kruger, C. & Willemse, L. 2022. Applying the City Development Index (CDI) to measure the quality of life in the local municipalities of the Northern Cape between 2001 and 2011. In Sandham L, Hansen C & Meiklejohn I. Proceedings of the 2021 Joint Biennial Conference of the Society of South African Geographers and the Southern African Association of Geomorphologists, 1-6, published online.

Mahlakanya, I. & Willemse, L. 2022. A living conditions index for main and backyard shacks and backyard rooms in Gauteng’s metropolitan municipalities: 2001 to 2011. Town and Regional Planning Journal, 80(1): 21-39.

Balie, Q. & Horn, A. 2021. The impact of population growth on municipal revenue: Implications for South African municipalities. Development Southern Africa, 38(6): 1046-1058.

Du Plessis, D. J. (2021). Mainstreaming Green Infrastructure in Planning for Sustainability: The Cape Town Experience. Innovative Governance of Large Urban Systems Quarterly, 7(4): 21 – 29.

Gambe, T., Geyer, H.S. & Horn, A. 2021. Economic resilience of city-regions in the Global South: An exploratory study of cities in Zimbabwe. Regional Science, Policy & Practice, 14(2):438-455.

Geyer, H.S. 2021. The Challenge of Planning Green Spaces in the Global South. Innovative Governance of Large Urban Systems Quarterly Journal, 7(4), 30-37.

Visser, G. & Horn, A. 2021. Cape Town: Living closer yet somehow further apart, in A. Lemon, R. Donaldson & G. Visser (eds.). Urban perspectives in the Global South series. Switzerland: Springer Nature.

Du Plessis, D.J. & Horn, A. 2020. Evolvement of spatial plans in Stellenbosch, in R. Donaldson (ed.). Human geographies of Stellenbosch: Transforming space, preserving place? Stellenbosch: African Sun Media. 13-30.

Hillier, R. & Horn, A. 2020. Planning for informal spaces in Stellenbosch,  in R. Donaldson (ed.). Human geographies of Stellenbosch: Transforming space, preserving place? Stellenbosch: African Sun Media. 153-172.

Horn, A. 2020. Reviewing implications of urban growth management and spatial governance in the Global South. Planning practice & research, 35(4):452-465.

Horn, A. 2020. The darker side of muddling through: An analysis of spatial planning policy decision-making and policy termination in Cape Town, South Africa. Urban Forum, 31:573-598. https://doi.org/10.1007/s12132-020-09390-9

Horn, A. 2020. Urban growth management and governance in the Global South: An overview and some implications. South African Journal of Public Administration, 55(1):5-25.

Donaldson, R. & Horn, A. 2019. Drakenstein: The shining pearl in the shadow of the Cape Town Metro, in L. Marais & V. Nel (eds.). Space and planning in secondary cities: Reflections from South Africa. Bloemfontein: Sun Media. 41-60.

Du Plessis, D.J. 2019. Stellenbosch: Change comes to a historical university town, in L. Marais & V. Nel (eds.). Space and planning in secondary cities: Reflections from South Africa. Bloemfontein: Sun Media. 239-263.

Geyer, H.S., Jr. 2019. Global value chain participation and trade barriers in sub-Saharan Africa, in S. Scholvin, A. Black, J. Revilla Diez & I. Turok (eds.). Value chains in sub-Saharan Africa. Switzerland: Springer Nature. 13-26.

Geyer, H.S., Jr. 2019. Gateway cities, under-connected cities and largely disconnected cities in global value chains in sub-Saharan Africa in S. Scholvin, A. Black, J. Revilla Diez & I. Turok (eds.). Value chains in sub-Saharan Africa. Switzerland: Springer Nature. 221-234

Geyer, H.S., Jr. 2019. Evaluating ecological, subcultural and political approaches to neighbourhood change and neighbourhood poverty. Housing, Theory and Society, 36(2):189-205.

Geyer, H.S., Jr. & Mosidi, N. 2019. Differential demographic transitions for women of different ethnicities in Gauteng, South Africa, 1996-2011. Regional Science Policy & Practice, 11(1):159-171.

Geyer, H.S., Jr. & Quin, L. 2019. Social diversity and modal choice strategies in mixed land-use development in South Africa. South African Geographical Journal, 101(1):1-21.

Horn, A. 2019. The history of urban growth management in South Africa: Tracking the origin and current status of urban edge policies in three metropolitan municipalities. Planning Perspectives, 34(6):959-977. DOI: 10.1080/02665433.2018.1503089

Marais, L., Du Plessis, D., Nel, V. & Cloete, J. 2019. Secondary cities and spatial transformation in South Africa, in L. Marais & V. Nel (eds.). Space and planning in secondary cities: Reflections from South Africa, Bloemfontein: Sun Media. 1-23.

Thoka, M. & Geyer, H.S. 2019. Migration and labour force participation: An analysis of internal economic migrants in Gauteng, South Africa, 2011. South African Geographical Journal, 101(3):307-325.

Geyer, H.S., Jr., Ngidi, M. & Mans, G. 2018. Do social grants contribute to the jobless population growth in the former South African homelands? Town and Regional Planning, 72(1):58-69.

Horn, A. 2018. Letting go: Evaluating spatial outcomes and political decision-making heralding the termination of the urban edge in Cape Town, South Africa. Land Use Policy, 78(2018):176-184.

Horn, A. & Van Eeden, A. 2018. Measuring sprawl in the Western Cape Province, South Africa: An urban sprawl index for comparative purposes. Regional Science Policy & Practice, 2018(10):15-23.

Horn, A. & Van Eeden, A. 2018. The application of an Urban Sprawl Index for comparative purposes in towns and cities in the Western Cape Province, South Africa. South African Journal of Geomatics, 7(3): 257-267.

Kelly, P.J., & Geyer, H.S., Jr. 2018. The regulatory governance of retail electricity tariff setting in South Africa. Regional Science Policy & Practice, 10(3):203-220.

Kgantsi, M.E. & Geyer, H.S. 2018. Intra-metropolitan corridor development in the City of Johannesburg and the social welfare of blacks. Regional Science Policy & Practice, 10(2):69-86.

Kgantsi, M.E., Geyer, H.S. & Geyer, H.S., Jr. 2018. Demographic impact of intra-metropolitan corridor development in the City of Johannesburg, 2001-2011. Regional Science Policy and Practice, 10(2):69-86.

Mokhele, M. & Geyer, H.S. 2018. Airport-centric development, airport-led development, Cape Town International Airport, industrial clustering, OR Tambo International Airport and South Africa. African Journal of Science, Technology, Innovation and Development, 10(4):493-506.

Willemse, L. 2018. A class-differentiated analysis of park use in Cape Town South Africa. GeoJournal, 83: 915-934.

Brand, A., Geyer, H.S. & Geyer, H.S., Jr. 2017. Corridor development in Gauteng, South Africa. GeoJournal, 82(2):311-327.

Chikowore, T. & Willemse, L. 2017. Identifying the changes in the quality of life of Southern African Development Community (SADC) migrants in South Africa from 2001 to 2011. South African Geographical Journal, 99(1):86-112.

Du Plessis, D.J. 2017. Stellenbosch: Spatial transformation in an aspiring city of opportunity and innovation. Johannesburg: South African Cities Network

Dzumbira, W., Geyer H.S., Jr. & Geyer, H.S. 2017. Measuring the spatial economic impact of the Maputo development corridor. Development Southern Africa, 34(5):635-651.

Geyer, H.S., Jr. 2017. An empirical evaluation of area-based policies in Cape Town. Town and Regional Planning, 68(1):58-67.

Geyer, N.P. & Geyer, H.S. 2017. Counterurbanisation: South Africa in wider context. Environment and Planning A, 49(7):1575-1593.

Geyer, H.S., Jr. & Molayi, R.S.A. 2017. Job-employed resident imbalance and travel time in Gauteng: Exploring the determinants of longer travel time. Urban Forum, 29(3):1-18.

Mahlakanya, I. & Willemse, L. 2017. The changes in the quality of life of rented free-standing and backyard shack and backyard room tenants in the three Gauteng Metropolitan Municipalities. Urban Forum, 28(3):293-312.

Roux, N. & Geyer, H.S., Jr. 2017. Changing household compositions and demographic transition in South African neighbourhoods. Regional Science, Policy and Practice, 9(3):165-181.

Ruch, W. & Geyer, H.S., Jr. 2017. Public capital investment, economic growth and poverty reduction: An analysis of South African municipalities. Regional Science, Policy and Practice, 9(4):269-284.

Du Plessis, D.J. 2016. The influence of post-1994 spatial planning policies: Can we improve their effectiveness?, in Western Cape Department of Environmental Affairs and Development Planning (ed.). Planning law reform in the Western Cape: The road to transformation. Cape Town: Western Cape Department of Environmental Affairs and Development Planning. 166-177

Geyer, H.S., Du Plessis, D., Van Eeden, A., & Geyer, H.S., Jr. 2016. Recent morphological trends in metropolitan South Africa, in D. O’Donoghue (ed.). Urban transformations: Centres, peripheries and systems. Aldershot: Ashgate Publishers. 171-185.

Geyer, H.S., Jr. 2016. Poverty traps in South African agriculture. Agrekon, 55(4):356-376.

Geyer, H.S., Jr. & Geyer, H.S. 2016. Polarisation reversal in South Africa: how widespread is the trend? South African Geographical Journal, 98(2):289-307.

Geyer, H.S., Jr., Geyer, N.P. & Geyer, H.S. 2016. The South African functional metropolis – A synthesis. Town and Regional Planning, 67(1):13-26.

Geyer, H.S., Jr. & Mohammed, F. 2016. Hypersegregation and class-based segregation processes in Cape Town 2001–2011. Urban Forum, 27(1):35-58.

Jacobs, W. & Du Plessis, D.J. 2016. A spatial perspective of the patterns and characteristics of main- and substream migration to the Western Cape, South Africa. Urban Forum, 27(2):167-185.

Mohale, M., Geyer, H.S. & Geyer, H.S., Jr. 2016. Undervaluation of real estate properties in disadvantaged areas in the City of Johannesburg. South African Journal of Economics, 84(2):217-229.

Pillay, X. & Geyer, H.S. 2016. Business clustering along the M1-N3-N1 corridor between Johannesburg and Pretoria, South Africa. Journal of Geomatics, 5(3):340-357.

Selemela, P. & Du Plessis, D.J. 2016. A comparative analysis of urban growth and development in traditional authority and non-traditional areas: The case of Rustenburg and Mahikeng municipalities in the North West province, South Africa. Urban Forum, 27(4):433-446.

Van Niekerk, A., Du Plessis, D., Boonzaaier, I., Spocter, M., Ferreira, S., Loots, L., & Donaldson, R. 2016. Development of a multi-criteria spatial planning support system for growth potential modelling in the Western Cape, South Africa. Land Use Policy, 50:179-193.

Willemse, L. & Chikowore, T. 2016. A new lease of life, or not? Determining the changes in the living conditions of Southern African Development Community (SADC) migrants in the metropolitan municipalities of South Africa from 2001 to 2011, in R. Donaldson, G. Visser, J. Kemp & J. de Waal (eds.). Proceedings of the Centenary Conference of the Society of South African Geographers (SSAG). 54-65, 25-28 September. Stellenbosch: SSAG.

Chobokoane, N. & Horn, A. 2015. Urban compaction and densification in Bloemfontein, South Africa: Measuring the current urban form against Mangaung Metropolitan Municipality’s spatial planning proposals for compaction. Urban Forum, 26(1):77-93. DOI 10.1007/s12132-014-9233-5

Donaldson, R., Stephenson, G., Van Niekerk, A. & Du Plessis, D. 2015. Compiling a land audit in large rural areas: Results from the methodology applied in the non-urban areas of the Matzikama municipal area. Town and Regional Planning, 66(1):31-45.

Du Plessis, D.J. 2015. Land-use mix in South African cities and the influence of spatial planning: Innovation or following the trend? South African Geographical Journal, 97(3):217-242.

Du Plessis, D.J. & Boonzaaier, I. 2015. The evolving spatial structure of South African cities: A reflection on the influence of spatial planning policies. International Planning Studies, 20 (1-2):87-111.

Gama, N. & Willemse, L. 2015. A descriptive overview of the education and income levels of domestic workers in post-apartheid South Africa. GeoJournal, 80:721-741.

Geyer, H.S., Jr., Geyer, H.S. & Du Plessis, D.J. 2015. Primary cities in sub-Saharan Africa: Quasars, loose connections, and black holes. International Planning Studies, 20(1-2):39-51.

Geyer, H.S., Jr. 2015. The growth and decline of the West Midlands Region: An integrated evolutionary perspective. International Planning Studies, 20(1-2):52-70.

Geyer, H.S., Jr. & Geyer, H.S. 2015. Disaggregated population migration trends in South Africa between 1996 and 2011: A differential urbanisation approach. Urban Forum, 26(1):1-13.

Geyer, H.S., Jr., Geyer, H.S. & Geyer, N.P. 2015. The South African functional metropolis – A synthesis. Town and Regional Planning Journal. 67:13-26.

Kleinsmith, D. & Horn, A. 2015. The anticipated demographic and economic impacts of the new university in Kimberley, Northern Cape. Development Southern Africa, 32(4):1-17. DOI: 10.1080/0376835X.2015.1039712

Kourtit, K., Nijkamp, P. & Geyer, H.S. 2015. Managing the urban century. International Planning Studies, 20(1-2):1-3.

Lottering, N., Du Plessis, D. & Donaldson, R. 2015. Coping with drought: the experience of water sensitive urban design (WSUD) in the George Municipality. Water SA, 41(1):1-7.

Mookherjee, D., Geyer, H.S. & Hoeraf, E. 2015. Dynamics of an evolving city-region in the developing world: the national capital region of Delhi revisited. International Planning Studies, 20(1-2):146-160.

Willemse, L. 2015. The role of economic factors and guanxi networks in the success of Chinese shops in Johannesburg, in J. Crush, A. Chikanda & C. Skinner (eds.). Mean streets: Migration, xenophobia and informality in South Africa.  Cape Town: The Southern African Migration Programme (SAMP), The African Centre for Cities (ACC) and the International Development Research Centre (IDRC). 113-131.

Willemse, L. 2015. Some perceptions and preferences of residents’ use of community neighbourhood parks in Mitchells Plain, Cape Town. Town and Regional Planning, 66:15-31.

Du Plessis, D.J. 2014. Approaching two decades of post-apartheid urban spatial planning in South Africa: A critical reflection on intentions and outcomes, in N. Kotze, R. Donaldson & G. Visser (eds.). Life in a changing urban landscape. Proceedings of the IGU Urban Geography Commission. Johannesburg: University of Johannesburg.

Du Plessis, D.J. 2014. A Critical Reflection on Urban Spatial Planning Practices and Outcomes in Post-Apartheid South Africa. Urban Forum, 25:69-88.

Gabriels, H. & Horn, A. 2014. The relationship between access to information and communications technology and poverty in South Africa. Africanus: Journal of Development Studies, 44(1): 21-33.

Geyer, H.S., Geyer, H.S., Jr., Du Plessis, D.J. & Van Eeden, A. 2014. Recent morphological trends in metropolitan South Africa, in Daniel P. O’Donoghue (ed.). Urban transformations: Centres, peripheries and systems. Farnham: Ashgate Publishers. 171-185.

Geyer, H.S. & Geyer H.S., Jr. 2014. Residential and business transformation in South Africa – Reopening the ‘dead’ capital debate. Urban Forum, 25(1):35-55.

Geyer, H.S., Jr. & Geyer, H.S. 2014. The dynamics of urban development in Cape Town since 1994, and implications for the future planning of the functional city, urban development expert analysis in State of Cape Town, 2014, Celebrating 20 Years of Democracy.  Cape Town: COCT. 197-199.

Horn, A. 2014. Urban growth management best practices: Towards implications for the developing world. International Planning Studies, 20:1-15. DOI: 10.1080/13563475.2014.942513

Mookherjee, D., Geyer, H.S. & Hoeraf, E. 2014. Delhi and its peripheral region: Perspectives on settlement growth in Daniel P. O’Donoghue (ed.). Urban transformations: Centres, peripheries and systems. Farnham: Ashgate Publishers. 197-206.

Willemse, L. 2014. The role of economic factors and guanxi networks in the success of Chinese shops in Johannesburg, South Africa. Urban Forum, 25:105-123.

Willemse, L. 2014. The vicious cycle of constraints: Foreign informal street traders in Johannesburg and Tshwane, South Africa, in N. Kotze,  R. Donaldson & G. Visser (eds.). Life in a changing urban landscape. Proceedings of the IGU Urban Geography Commission. Stellenbosch: IGU Urban Geography Commission. 295-306.

Donaldson, R. & Du Plessis, D. 2013. The urban renewal programme as an area-based approach to renew townships: The experience from Khayelitsha’s Central Business District, Cape Town. Habitat International, 39:295-301.

Donaldson, D., Du Plessis, D., Spocter, M. & Massey, R. 2013. The South African area-based urban renewal programme: experiences from Cape Town. Journal of Housing and the Built Environment, 28(4):629-638.

Du Plessis, D.J. 2013 Alignment of provincial settlement growth potential with provincial strategic departmental programmes. A research report for the Department of Environmental Affairs and Development Planning of the Western Cape Provincial Government. Cape Town: DEADP

Geyer, H.S., Geyer, H.S., Jr. & Du Plessis, D.J. 2013. Migration, geographies of marginality and informality – impacts on upper and lower ends of urban systems in the North and South. European Planning Studies, 21(3):411-431.

Khoza, C. & Willemse, L. 2013. Socio-economic performance of municipalities along the Maputo Development Corridor (MDC): Implications for the National Development Plan (NDP) of 2011. Town and Regional Planning, 63:49-63.

Laldaparsad, S., Geyer, H.S., Jr. & Du Plessis, D.J. 2013. The reshaping of urban structure in South Africa through municipal capital investment: Evidence from three municipalities. Town and Regional Planning, 63(1):37-48.

Morudu, D.M. & Du Plessis, D.J. 2013. Economic and demographic performance of municipalities in South Africa: An application of Zipf’s rule. Town and Regional Planning, 63:24-36.

Schmidt, I.M. & Du Plessis, D.J. 2013. A critical evaluation of the operational application of various settlement typologies in South Africa. Town and Regional Planning, 63:12-23.

Willemse, L. 2013. A Flowmap–geographic information systems approach to determine community neighbourhood park proximity in Cape Town. South African Geographical Journal, 95(2):149-164.

Willemse, L. 2013. Trading hope: Working conditions of sub-Saharan immigrant street traders in Johannesburg and Tshwane. Africa Insight, 42(4):166-185.

Donaldson, R., Spocter, M., Du Plessis, D.J. & Van Niekerk, A. 2012. Towards generic interventions to stimulate growth potential in small towns of the Western Cape province, South Africa. South African Geographical Journal, 94(2):120-136.

Donaldson, R., Van Niekerk, A., Du Plessis, D. & Spocter, M. 2012. Non-metropolitan growth potential of Western Cape municipalities. Urban Forum, 23:367-389

Geyer, H.S., Du Plessis, D.J., Geyer H.S., Jr. & Van Eeden, A. 2012. Urbanisation and migration trends in South Africa: Theory and policy implications, in M. Brezzi, M. Piacentini, K. Rosina & D. Sanchez-Serra (eds.). Redefining “Urban”: a new way to measure metropolitan areas. Lyons: OECD Publishing. 58-89.

Geyer, H.S., Jr., Geyer, H.S., Du Plessis, D.J. & Van Eeden, A. 2012. Differential urbanisation trends in South Africa –  regional and local equivalents. Environment and Planning A, 44(12):2940-2956.

Geyer, H.S., Geyer H.S., Jr. & Du Plessis, D.J. 2012. Migration, geographies of marginality and informality – Impacts on upper and lower ends of urban systems in the North and South. European Planning Studies, 20(4):1-21.

Geyer, H.S., Jr., Geyer, H.S., Du Plessis, D.J. & Van Eeden A. 2012. Land quality, urban development and urban agriculture along the Western Cape garden route. SANPAD Research Paper (2012/7).

Geyer, H., Schloms, B., Du Plessis, D. & Van Eeden, A. 2012. Land quality, urban development and urban agriculture within the Cape Town urban edge. Town and Regional Planning, 59:43-55.

Willemse, L. & Donaldson, R. 2012. Community neighbourhood park (CNP) use in Cape Town’s townships. Urban Forum, 23(2): 221-231.

Du Plessis, D., Geyer, H.S., & Van Eeden, A. 2011. On the role of the informal sector in the changing socio-economic landscape of the Cape Town metropolitan area. Social Space, 1(1):1-20.

Geyer, H.S. 2011. Creativity, wellbeing and urban sustainability: What the North and the South can learn from each other, in H.S. Geyer (ed.). International handbook of urban policy, Volume 3: Issues in the developing world, Aldershot, Hants, UK: Edward Elgar. 275-298.

Geyer, H.S, Coetzee, H.C., Du Plessis, D., Donaldson, R. & Nijkamp, P. 2011. Recent business transformation in intermediate-sized cities in South Africa. Habitat International, 35(2):265-274

Geyer, H.S. & Nijkamp, P. 2011. Pioneering entrepreneurship and urban transformation, Introduction to special edition. Town and Regional Planning Journal, 59:i–ii.

Gumbo, T. & Geyer, H.S. 2011. ‘Picking up the Pieces ’: Reconstructing the informal economic sector in Bulawayo, Zimbabwe. Town and Regional Planning Journal, 59:56-67.

Graizbord, B., Mookherjee, D. & Geyer, H.S. 2011. Differential urban trends: Urban policy implications, in H.S. Geyer (ed.). International handbook of urban policy, Volume 3: Issues in the developing world. Aldershot, Hants, UK: Edward Elgar. 114-132.

Horn, A. 2011. Who’s out there? Who’s out there? A profile of informal traders in four South African city central business districts. Town and Regional Planning, 59(1):1-7.

Onyebueke, V.U. & Geyer, H.S. 2011. The informal sector in urban Nigeria: Reflections from almost four decades of research. Town and Regional Planning, 59:68-80.

Steyn, A. & Geyer, H.S. 2011. Urban form: An account of issues and views, in H.S. Geyer (ed.). International handbook of urban policy, Volume 3: Issues in the developing world, Edward Elgar: Aldershot, Hants, UK. 62-93.

Willemse, L. 2011. Opportunities and constraints facing informal street traders: Evidence from four South African cities. Town and Regional Planning, 59:8-16.

Geyer, H.S. 2010. On the evolution of urban systems, Inaugural address, 15 June. Department of Geography, Stellenbosch University.

Horn, A. 2010. Telling Stories – A history of growth management in Gauteng Province. European Spatial Research and Policy, 17(2):41-54.

Mookherjee, D. & Geyer, H.S. 2010. Urban growth in the national capital region of India: Testing the differential urbanization model, Tijdschrift voor Sociale en Economische Geografie, 102(1):88-99.

Geyer, H.S. 2009. Development of the theory of differential urbanization: An anecdotal look, International Journal of Environmental Creation, 11(1):1-18.

Geyer, H.S. 2009. Notes on spatial-structural change in urban South Africa – the 1990s, Journal of Urban and Regional Analysis, (1)1:27-39.

Geyer, H.S. 2009. The continuing urban form controversy: Toward bridging the divide, in H.S. Geyer (ed.). International handbook of urban policy, Volume 2: Issues in the developed world, Edward Elgar: Aldershot, Hants, UK. 195-259.

Britz, A. & Meyer, E. 2006. Whose line is it anyway? The origin and evolution of the Gauteng urban edge. Town Planning Review, 77(2):205-219.