Bibliographical references

COHON, J.L. (1978). "Multiobjective Programming and Planning", New York, Academic Press. 

CHANKONG, V. and HAIMES, Y.Y. (1983).- "Multiobjective Decision Making. Theory and Methodology", New York, North-Holland. 

GOICOECHEA, A., HANSEN, D.R. and DUCKSTEIN, L. (1982). -"Multiobjective Decision Analysis with Engineering and Business Applications", New York, John Wiley and Sons. 

HWANG, C.L. and MASUD, A.S.M. (1979).- "Multiple objective Decision Making Methods and Applications: A State-of-the-Art Survey", New York, Springer Verlag.

IGNIZIO, J.P. (1982).- "Linear Programming in Single and Multiple Objective Systems", Englelwood Cliffs, Prentice-Hall. 

RIETVELO, P. (1980).- "Multiple Objective Decision Methods and Regional Planning", Amsterdam, North-Holland. 

SIMON, H.A. (1977).- "The New Science of Management Decision", Englewood Cliffs, Prentice-Hall. 

SPRONK, J. (1981).- "Interactive Multiple Goal Programming Applications to Financial Planning", Boston, Martinus Nijhoff. 

ZIONTS, S. (1980).- "Methods for Solving Management Problems Involving Multiple Objectives" in G. Fandel and T. Gal (Eds.): "Multiple Criteria Decision Making. Theory and Application", Berlin, Springer-Verlag, 1980, pp. 540-558.