6Bessey K M. Scale structure and dynamic in the US urban systems: city size in the lensof region[M].Cambridge (MA):Harvard University ,2000.
7Michael K, Bessey K M. Structure and dynamics in an urban landscape: towards amultiscale view[J].Ecosystems, 2002,(5):360-375.
8Dai C D, Tang L L, Chen Gang, et al. Research on using satellite remoting sensing tomonitor urban expansion and environment change[J].Remote Sensing ofEnviornment,1995,10(1):1-7.