5Park R E, Burgess E W. Introduction to the science of sociology[M]. Chicago: University of Chicago Press, 1921.
6Verhulst P F. Notice sur la loi que la population suit dans son accroissement[J]. Correspondance Mathematique et Physique, 1838(10): 113-12l.
7Feng S, Xu L D. Decision support for fuzzy comprehensive evaluation of urban development[J]. Fuzzy Sets and Systems, 1999, 105(1): 1-12.
8Leung L C, Cao D. On consistency and ranking of alternatives in fuzzy AHP[J]. EuropeanJournal of Operational Research, 2000, 124(1): 102-113.
9SarkisJ. A comparative analysis of DEA as a discrete alternative multiple criteria decision tool[J]. EuropeanJournal of Operational Research, 2000, 123(3): 543-557.
10Bryson N, Mobolurin A. An action learning evaluation procedure for multiple criteria decision making prob?lems[J]. EuropeanJournal of Operational Research, 1997, 96(2): 379-386.
