Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKANISHI Atsuo,Biped Walking Robot : Its History and Present State,Journal of the Society of Mechanical Engineers,00214728,The Japan Society of Mechanical Engineers,1986,89,808,262-267,https://cir.nii.ac.jp/crid/1390282680904508032,https://doi.org/10.1299/jsmemag.89.808_262