1. Kuhn, H. W., andTucker, A. W.,Nonlinear Programming, Proceedings of the 2nd Berkeley Symposium on Mathematical Statistics, Edited by J. Neyman, University of California Press, Berkeley, California, pp. 481?492, 1951.
2. Geoffrion, A. M.,Solving Bicriterion Mathematical Programs, Operations Research, Vol. 15, pp. 39?54, 1967.
3. Fishburn, P. C.,Utility Theory for Decision Making, Wiley, New York, New York, 1970.
4. Keeney, R. L., andRaiffa, H.,Decision with Multiple Objectives: Preferences and Value Tradeoffs, Wiley, New York, New York, 1976.
5. Zionts, S.,A Multiple Criteria Method for Choosing among Discrete Alternatives, European Journal of Operational Research, Vol. 7, pp. 143?147, 1981.