The AmphiHex: A novel amphibious robot with transformable leg-flipper composite propulsion mechanism. - Xu Liang; Min Xu 006; Lichao Xu; Peng Liu; Xiaoshuang Ren; Ziwen Kong; Jie Yang 004; Shiwu Zhang (IROS, 2012)

An experimental study on the locomotion performance of elliptic-curve leg in muddy terrain. - Xiaoshuang Ren; Xu Liang; Ziwen Kong; Min Xu 006; Ronald Xu; Shiwu Zhang (AIM, 2013)