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 "Shepard, E. R.",Modern practice in the construction and maintenance of rail joints and bonds in electric railways,2nd ed,Government Printing Office,1920,Technologic papers,,,,https://cir.nii.ac.jp/crid/1130000795144765056