Propulsion Mechanism for a Lunar Subterranean Excavator Using Peristaltic Crawling. - Hiroyuki Kitamoto; Hayato Omori; Hiroaki Nagai; Taro Nakamura 001; Hisashi Osumi; Takashi Kubota (J. Robotics Mechatronics, 2013)

Satellite, Planetary or Terrestrial Subsurface Explorer Robot Based on Earthworm Locomotion. - Hayato Omori; Hiroyuki Kitamoto; Asuka Mizushina; Taro Nakamura 001; Takashi Kubota (J. Robotics Mechatronics, 2014)