Symmetry Based Searching Process for Initial Conditions of Passive Running
DENG Qi (邓 奇), WANG Shi-gang* (王石刚), MO Jin-qiu (莫锦秋), LIANG Qing-hua (梁庆华)
Journal of shanghai Jiaotong University (Science) . 2013, (6): 673 -678 .  DOI: 10.1007/s12204-011-1203-7