Discovery Science 6th International Conference, DS 2003, Sapporo, Japan, October 17-19,2003, Proceedings - Grieser, Gunter; Grieser, Gunter; Tanaka, Yuzuru; Tanaka, Yuzuru; Yamamoto, Akihiro; Yamamoto, Akihiro (Springer Berlin Heidelberg : Imprint: Springer, 2003)