Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masahiko Sakai and Noboru Niguchi and Katsuhiro Hirata,High performance hybrid-type magnetic planetary gear,2013 IEEE International Conference on Mechatronics and Automation,,IEEE,2013-08-01,,,662-669,https://cir.nii.ac.jp/crid/1870865117747662848,https://doi.org/10.1109/icma.2013.6617995