Fundamental Considerations for the Design of a Planetary Rover. - Shigeo Hirose; Naritoshi Ootsukasa; Takaya Shirasu; Horiyuki Kuwahara; Kan Yoneda (ICRA, 1995)

Proposal for cooperative robot "Gunryu" composed of autonomous segments. - Shigeo Hirose; Takaya Shirasu; Edwardo F. Fukushima (Robotics Auton. Syst., 1996)