@article{oai:nagano-nct.repo.nii.ac.jp:00000712, author = {山本, 行雄}, journal = {長野工業高等専門学校紀要}, month = {Feb}, note = {application}, pages = {65--70}, title = {漏電検出器用環状巻磁心の秀透磁率分布の改善}, volume = {6}, year = {1976} }