Evolutionary Programming VII 7th International Conference, EP98, San Diego, California, USA, March 25-27, 1998 Proceedings - Porto, V.W; Porto, V.W; Saravanan, N.; Saravanan, N.; Waagen, D.; Waagen, D.; Eiben, A.E; Eiben, A.E (Springer Berlin Heidelberg : Imprint: Springer, 1998)