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 "Gardner, E. D. (Eugene Delos) and Johnson, J. (John) Fred",Shaft-sinking practices and costs,,Govertment Printing Office,1932,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269969914368