9Fan Z P, Zheng L H, Pan D H. An objective and subjective synthetic method for multiple attribute decision making(C].Proceeding of the IFAC World Congress,San Francisco,USA: 1996:255-260.
10Keeney R L, Raiffa H. Decisions with Multiple Objectives: Preferences and Value Tradeoffs [M]. New York: Wiley, 1976: 32-49.