- System Modelling and Optimization: Methods, Theory and Applications, 19th IFIP TC7 Conference on System Modelling and Optimization, July 12-16, 1999, Cambridge, UKM. J. D. Powell, S. Scholtes, editors, Volume 174 of IFIP Conference Proceedings, Kluwer, 2000.
- 5th Conference on Optimization Techniques, Part 2, Rome, Italy, May 7-11, 1973R. Conti, Antonio Ruberti, editors, Volume 4 of Lecture Notes in Computer Science, Springer, 1973.