Vibrotactile feeling induced by focused ultrasound stimulation. - Jun Woo Kim; Sung Taek Cho; Sang-Rok Oh; Sungon Lee (URAI, 2014)

Combining Two Control Techniques for the Fast Movement of a Two-Wheel Mobile Robot. - Sung Taek Cho; Seul Jung (Int. J. Humanoid Robotics, 2015)