Computing and Combinatorics 5th Annual International Conference, COCOON'99, Tokyo, Japan, July 26-28, 1999, Proceedings - Asano, Takao; Asano, Takao; Imai, Hiroshi; Imai, Hiroshi; Lee, D.T; Lee, D.T; Nakano, Shin-ichi; Nakano, Shin-ichi; Tokuyama, Takeshi; Tokuyama, Takeshi (Springer Berlin Heidelberg : Imprint: Springer, 1999)