Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOBAYASHI Seiichi,Direct Drive Motor,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,2003,69,11,1534-1537,https://cir.nii.ac.jp/crid/1390001204795889408,https://doi.org/10.2493/jjspe.69.1534