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 "Wershaw, R. L. and Geological Survey (U.S.)",Methods for the determination of organic substances in water and fluvial sediments,,"U.S. G.P.O.,For sale by the Books and Open-File Reports Section, U.S. Geological Survey",1987,Techniques of water-resources investigations of the United States Geological Survey,,,,https://cir.nii.ac.jp/crid/1130282273332206336