4Allen P M. Cities and Regions as Self- Organizing Systems: Models of Complexity [M]. Amsterdam: Gordon and Breach Science Pub. 1997, 27-60.
5Businaro Ugo L.: Technology and the Future of Cities, An Agenda for the European Union R&D[EB/OL], httpL//users. libero. it/ulbusi/pdfeng/94ocittafi. PDF. 1994, 41-45.
6Fujita, Masahisa. ,Paul Krugman. and Anthony J. Venables. the Spatial Economy [M]. Cambridge, Massachusetts: The MIT Press 1999 12
7Henderson V., Randy Becker Politica Economy of City Sizes and Formation[J] Journal of Urban Economics, 2000,(48) :453-484.
8Portugali J: Self-Organization and the City[M], Springer-Verlag Berlin Heidelberg, 2000.49-70.
