Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kubota Terumasa and Masuda Makoto and Waki Hisami and Kawabata Tsutomu and Kokubo Yasuki and Shimura Hidetoshi and Yonezawa Toshiaki,PA-12 Ultrasonic motor which has two stators facing each other,Proceedings of Symposium on Ultrasonic Electronics,2433-1414,Institute for Ultrasonic Elecronics,1999-11-17,20,0,203-204,https://cir.nii.ac.jp/crid/1390001288092546176,https://doi.org/10.24492/iuse.20.0_203