@article{oai:akita.repo.nii.ac.jp:00000430, author = {長谷川, 誠一}, journal = {秋田工業高等専門学校研究紀要}, month = {Feb}, note = {7, KJ00003583578, 論文, Article}, pages = {47--50}, title = {誘導電動機の二次チョッパ制御について}, volume = {20}, year = {1985} }