Author Title Journal ISSN Publisher Date Volume Number Page URL URL(DOI) ISOBE Hiromi,KONDOU Katsunori,KYUSOJIN Akira Development of Non-contact Ultrasonic Motor with Motion Error Compensation in Radial Direction Journal of the Japan Society for Precision Engineering. Supplement. Contributed papers 13488724 The Japan Society for Precision Engineering 2005-01-05 71 1 136-140 http://ci.nii.ac.jp/naid/110001824111/en/ 10.2493/jspe.71.136