@article{weko_8985_1, author = "Ishizaki,Takemitsu and Ishikawa,Sadao", title = "Dynamic Characteristics of D-C Separately Excited Servomotor Driven by Thyratrons", journal = "Bulletin of University of Osaka Prefecture. Series A, Engineering and natural sciences", year = "1963", volume = "11", number = "2", pages = "49--55", month = "mar" }