1. Benayoun, R., J. de Montgofier, J. Tergny and O. Larishev, Linear Programming with Multiple Objective Functions: Step Method (STEM), Mathematical Programming, Vol. 1, pp. 365–375, 1971
2. Geoffrion, A. M., J. S. Dyer and A. Feinberg, An Interactive Approach for Multi—criterion Optimization with an Application to the Operation of Academic Department, Management Science, Vol. 19, pp. 357–368, 1972
3. Haines, Y. Y., W. A. Hall and H. T. Friedmann, Multiobjective Optimization in Water Resource Systems, The Surrogate Worth Trade—off Method, Elsevier Scientific, 1975
4. Kobayashi, S. and A. Ichikawa, An Interactive Algorithm for Multiple Criteria Problems Pairwise Comparison of Optimal Solutions, in T. Myoken (ed.) Optimal Control Systems, Decision Structures, and Economic Applications, Bunshindo, Tokyo, pp. 203–210, 1978
5. Nakayama, H., Proposal of Satisficing Trade—off Method for Multi—objective Programming, submitted for publication. (in Japanese)