7Findenegg G H, Schreiber A. Freezing and melting of water in ordered nanoporous silica materials[A]. Proceedings of the International RILEM Workshop on Frost Resistance of Concrete[C]. Cachan Cedex: The Publication Company of RILEM,2002.105 - 116.
8Fujita M,Thisse J F.Economics of Agglomeration[].Journal of the Japanese and International Economies.1996
9Fujita M,Thisse JF.Economics of Agglomeration: Cities, Industrial Location and Regional Growth[]..2002
10Ellison Glenn,Glaeser Edward L.The Geographic Concentration of Industry: Does Natural Advantage Explain Agglomeration[].The American Economist.1999
