5Malecli E J,Gorman S P.Maybe the death of distance,but not the end of geography:the Internet as a network[A].In T.R Leinbach and S.D.Brunn.eds worlds of electronic commerce[C].New York:John Wiley.2001.87-105.
6Wheeler J O,MiTchelson R L.Information flows among major metropolitan areas in the United States[J].Annals of the Association of American Geographers,1989,(79):523-543.
7Mitchelson R L,Wheeler J O.The flow of information in a global economy:The role of the American Urban Systemin 1990[J].Annals of the Association of American Geographers,1994,84(1):87-107.
8Castells,M.The Rise of the Network Society[M].Cambridge,MA:Blackwell,1996.1-556.
9Adams P C,Warf B.Introduction:cyberspace and geographical space[J].Geographical Review,1997,(2):139-145.
10Taylor J.The emerging geographies of virtual worlds[J].Geographical Review,1997,87 (2):172-192.
