Wheel transformer: A miniaturized terrain adaptive robot with passively transformed wheels. - Yoo-Seok Kim; Gwang-Pil Jung; Haan Kim; Kyu-Jin Cho; Chong-Nam Chu (ICRA, 2013)

Development of multi-scale cooperative robot. - Haan Kim; Bo Hyun Kim; Chong-Nam Chu; Joong Hyun Lee; Kyung Ho Ha; Seongsoo Hong (ICTC, 2013)

Wheel Transformer: A Wheel-Leg Hybrid Robot With Passive Transformable Wheels. - Yoo-Seok Kim; Gwang-Pil Jung; Haan Kim; Kyu-Jin Cho; Chong-Nam Chu (IEEE Trans. Robotics, 2014)