著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL International Conference on Power Electronics and Variable-Speed Drives and Institution of Electrical Engineers. Power Division and 電気学会,"Fourth International Conference on Power Electronics and Variable-Speed Drives, 17-19 July 1990 : venue, the Institution of Electrical Engineers, London, Uk",,The Institution of Electrical Engineers,1990,IEE conference publication,,0863417035,,https://cir.nii.ac.jp/crid/1130000795335852672