Evolvable Systems: From Biology to Hardware 4th International Conference, ICES 2001 Tokyo, Japan, October 3-5, 2001 Proceedings - Tanaka, Kiyoshi; Tanaka, Kiyoshi; Iwata, Masaya; Iwata, Masaya; Higuchi, Tetsuya; Higuchi, Tetsuya; Yasunaga, Moritoshi; Yasunaga, Moritoshi (Springer Berlin Heidelberg : Imprint: Springer, 2001)