Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HIGETA Atsushi and YOSHIDA Katsutoshi and HAGANE Takuya and HASHIMOTO Takumi,A Four-Bar Linkage Mechanism Representing Competition and Cooperation,TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C,0387-5024,The Japan Society of Mechanical Engineers,2011,77,776,1331-1341,https://cir.nii.ac.jp/crid/1390282681363546496,https://doi.org/10.1299/kikaic.77.1331