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
"Ashley, Geo. H. (George Hall) and Glenn, L. C. (Leonidas Chalmers), b. 1871","Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky",,Gov't print. off,1906,Geological Survey professional paper,,,,https://cir.nii.ac.jp/crid/1130000795106462720