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 "McLyman, Colonel William T.",Magnetic core selection for transformers and inductors : a user's guide to practice and specification,2nd ed.,M. Dekker,1997,Electrical engineering and electronics,,0824798414,,https://cir.nii.ac.jp/crid/1130000794115116416