Embodied Artificial Intelligence International Seminar, Dagstuhl Castle, Germany, July 7-11, 2003, Revised Selected Papers - Iida, Fumiya; Iida, Fumiya; Pfeifer, Rolf; Pfeifer, Rolf; Steels, Luc; Steels, Luc; Kuniyoshi, Yasuo; Kuniyoshi, Yasuo (Springer Berlin Heidelberg : Imprint: Springer, 2004)