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
"Heck, W. A. and Yenne, K.A. and Henbest, L.G.","Boundary of the Pennsylvanian and Permian (?) in the subsurface Scurry reef, Scurry County, Texas",,"University of Texas, Bureau of Economic Geology",1952,Report of investigations,,,,https://cir.nii.ac.jp/crid/1130282272726296832