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 "McKee, Edwin Dinwiddie and Venezuela. Dirección de Cartografía Nacional","Sedimentary structures and textures of Río Orinoco channel sands, Venezuela and Colombia",,"U.S. G.P.O. : For sale by the Books and Open-File Reports Section, U.S. Geological Survey",1989,U.S. Geological Survey water-supply paper,,,,https://cir.nii.ac.jp/crid/1130282271684685440