1. Abbott, C. (1985), “Frontiers and sections: cities and regions in American growth”, American Quarterly, Vol. 37 No. 3, pp. 395‐410.
2. Ash, R. and Edmonds, R. (1998), “China's land resources, environment and agricultural production”, China Quarterly, No. 156, pp. 836‐79.
3. Bao, S., Bodvarsson, Ö.B., Hou, J.W. and Zhao, Y. (2009), “The deregulation of people flows in China: did the structure of migration change?”, Gender and Labor Mobility in the Chinese Labor Market Proceedings of the ASSA Conference, San Francisco, CA, USA, 3 January, pp. 2‐30.
4. Bates, R. (1981), Markets and States in Tropical Africa, University of California Press, Berkeley, CA.
5. Batty, M. (1988), Home Computers and Regional Development: An Exploratory Analysis of the Spatial Market for Home Computers in Britain, Avebury, Aldershot.