Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KISHI Kota and ITO Fumio,Present Status and Prospects of Direct Drive Motors,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,2021-03-05,87,3,266-270,https://cir.nii.ac.jp/crid/1390568772519638784,https://doi.org/10.2493/jjspe.87.266