Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Isomura Yoshinori and Maetani Tatsuo and Watanabe Akihiko and Komiyama Hiroshi and Morimoto Shigeo and Yamamoto Kichiro,Relationship between Shaft Voltage and Bearing Grease in Brushless DC Motor Driven by PWM Inverter,IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,2013,133,10,954-960,https://cir.nii.ac.jp/crid/1390001204659464704,https://doi.org/10.1541/ieejias.133.954