7Burrough P A, van Gaan P F M, MacMillan R A. High-resolution landform classification using fuzzy k-means [J]. Fuzzy Sets and System, 2000, 113(1) :37～52.
8Bastian O. Landscape classification in Saxony[J]. Landscape and Urban Planning, 2000, 50:145～ 155.
9Lioubimtseva E, Defourny P. GIS-based landscape classification and mapping of European Russia[J]. Landscape and Urban Planning,1999, 40: 63～75.
10Forman, R T T. Land Mosaics: the Ecology of Landscape and Region [M]. New York: Cambridge University Press, 1995.
