Woong Kwon Hyun K. Kim Joong Kyung Park Chang Hyun Roh Jawoo Lee Jaeho Park Won-Kuk Kim Kyung Shik Roh Biped humanoid robot Mahru III. 583-588 2007 Humanoids http://dx.doi.org/10.1109/ICHR.2007.4813930 conf/humanoids/2007 db/conf/humanoids/humanoids2007.html#KwonKPRLPKR07