Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Soejima Mitsuhiro and Matsushita Yuki and Sakaguchi Shingo,2309 Study on Friction Loss in Valve Train with Cam and Roller Follower : Influences of Roller Support Bearing and Engine Oil,The proceedings of the JSME annual meeting,2433-1325,The Japan Society of Mechanical Engineers,2008,2008.3,0,67-68,https://cir.nii.ac.jp/crid/1390001206064804480,https://doi.org/10.1299/jsmemecjo.2008.3.0_67