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 "Schnitzer, M. and Khan, Shahamat U.",Humic substances in the environment,,University Microfilms International,1972,Books in soils and the environment,,0824716140,,https://cir.nii.ac.jp/crid/1130282268635806080