Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ryuichi Hodoshima and Takahiro Doi and Yasushi Fukuda and Shigeo Hirose and Toshihito Okamoto and Junichi Mori,Development of a Quadruped Walking Robot TITAN XI for Steep Slope Operation - Step Over Gait to Avoid Concrete Frames on Steep Slopes -,Journal of Robotics and Mechatronics,0915-3942,Fuji Technology Press Ltd.,2007-02-20,19,1,13-26,https://cir.nii.ac.jp/crid/1364233269686502400,https://doi.org/10.20965/jrm.2007.p0013