Ultrasonic/Sonic Sampler and Sensor Platform for In-Situ Planetary Exploration. - Yoseph Bar-Cohen; Stewart Sherrit; Xiaoqi Bao; Zensheu Chang (ICMENS, 2003)

Lemur IIb: a robotic system for steep terrain access. - Brett Kennedy; Avi Okon; Hrand Aghazarian; Mircea Badescu; Xiaoqi Bao; Yoseph Bar-Cohen; Zensheu Chang; Borna E. Dabiri; Mike Garrett; Lee Magnone; Stewart Sherrit (Ind. Robot, 2006)

Rotary hammer ultrasonic/sonic drill system. - Mircea Badescu; Sergiu Stroescu; Stewart Sherrit; Jack B. Aldrich; Xiaoqi Bao; Yoseph Bar-Cohen; Zensheu Chang; Wilson Hernandez; Alaa Ibrahim (ICRA, 2008)