1. Beijing Statistics Bureau, Survey Office of the National Bureau of Statistics in Beijing. 1% Sample Population Survey Report in 2005. http://www.bijstats.gov.cn/
2. Beijing Statistics Bureau, Survey Office of the National Bureau of Statistics in Beijing. Beijing National Economic and Social Development Report in 2005 and Tenth Five-Year Plan. http://www.bjstats.gov.cn
3. Burchell R W, Shad N A, 1999. The evolution of the sprawl debate in the United States. West Northwest, 5(2): 137–160.
4. Carlo Lavalle, N McCormick, Kasanko M et al., 2002. Monitoring, planning and forecasting dynamics in European areas: The territorial approach as key to implement European policies. Technical Report of MOLAND Program, 1-8, http://moland.jrc.it/
5. Chen Benqing, Xu Hanqiu, 2005. Urban expansion and its driving force analysis using romote sensed data: A case of Xiamen City. Economic Geography, 25(1): 79–83. (in Chinese)