Contributions to Operations Research: Proceedings of the Conference on Operations Research Held in Oberwolfach, West Germany February 26 – March 3, 1984

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

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