Passive Spine Gripper for Free-Climbing Robot in Extreme Terrain. - Kenji Nagaoka; Hayato Minote; Kyohei Maruya; Yuki Shirai; Kazuya Yoshida; Takeshi Hakamada; Hirotaka Sawada; Takashi Kubota (IEEE Robotics Autom. Lett., 2018)

Gait Planning for a Free-Climbing Robot Based on Tumble Stability. - Kentaro Uno; Warley F. R. Ribeiro; William Jones; Yuki Shirai; Hayato Minote; Kenji Nagaoka; Kazuya Yoshida (SII, 2019)