Book reviews

Janssen, R. and van Herwijnen, M., Definite: A System to Support Decisions on a Finite Set of Alternatives. Vol. 1: Software package, Vol. 2: Multiobjective Decision Support for Environmental Management, Vol. 3: Definite User Manual. Kluwer Academic Publishers, Dordrecht.Boston.London 1994, Vol. 1: 4 disks, Vol. 2: 232 pp., Vol. 3: 219 pp. $ 1750.00, ISBN 0-7923-2696-2. Florenzano, M., Guddat, J., Jimenez, M., Jongen, H.Th., Lopez Lagomasino, G. and Marcellan, F. (eds.), Approximation and Optimization in the Caribbean 11. Proc. of the Second Intern. Conf. on Approximation and Optimization in the Caribbean, Havana, Cuba, September 26-October 1, 1993. Approximation and Optimization 8. Peter Lang GmbH, Frankfurt/M. Berlin Bern New York Paris Wien 1995, 682 pp., DM 103.00, ISBN 3-631-49071-2.