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 "Baker, Arthur A. (Arthur Alan)","The northward extension of the Sheridan coal field : Big Horn and Rosebud Counties, Montana",,U.S. G.P.O.,1929,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282273191309696