Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MORIKAWA Kunihiko and KUMAGAI Kouji and NISHIHARA Ryuuta and NEMOTO Junichi,Vibration behaviour of stepped pinion type planetary gears,Transactions of the JSME (in Japanese),2187-9761,The Japan Society of Mechanical Engineers,2015,81,830,15-00310,https://cir.nii.ac.jp/crid/1390282680491551616,https://doi.org/10.1299/transjsme.15-00310