Optimization, Parallel Processing and Applications: Proceedings of the Oberwolfach Conference on Operations Research, February 16–21, 1987 and the Workshop on Advanced Computation Techniques, Parallel Processing and Optimization Held at Karlsruhe, West Germany, February 22–25, 1987

Selected Topics in Operations Research and Mathematical Economics: Proceedings of the 8th Symposium on Operations Research, Held at the University of Karlsruhe, West Germany August 22–25, 1983

Nondifferentiable Optimization: Motivations and Applications: Proceedings of an IIASA (International Institute for Applied Systems Analysis) Workshop on Nondifferentiable Optimization Held at Sopron, Hungary, September 17–22, 1984