1. Alonso W (1973) Urban zero population growth. Daedalus 102(4):191–206
2. Anas A, Arnott R, Small K (1998) Urban spatial structure. J Econ Lit 36(3):1426–1464
3. Asheim BT, Gertler MS (2007) The geography of innovation: regional innovation systems. In: Fagerberg J, Mowery DC, Nelson RR (eds) The Oxford handbook of innovation. Oxford University Press, Oxford, pp 291–317
4. Audretsch DB (2003) Globalization, innovation and the strategic management of places. In: Bröcker J, Dohse D, Soltwedel R (eds) Innovation clusters and interregional competition. Springer, Berlin, pp 11–27
5. BBSR (2008) Strategies for residential areas in the outskirts and immediate hinterland. http://www.bbsr.bund.de/BBSR/EN/RP/GeneralDepartmentalResearch/UrbanDevelopment/ResidentialAreas/01_Start.html . Accessed 5 November 2013