1. Optimization-based methods for multiobjective decision making – An overview;Changkong;Large Scale Systems,1983
2. De Groot, R.S., 1992. Functions of Nature, Wolters Noordhoff
3. Zum spieltheoretischen Kompromiß in der Vektoroptimierung;Dewess;Optimization,1985
4. ECC European Communities Commission, 1992. EUR 12585 – Corine Land Cover Project – Technical guide, Evironment and Quality of Life Series, Luxembourg, Office for Official Publications of the European Communities
5. ESRI, 1992a. Arc/Info User's guide – Arc-Command References