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 "Northrop, John Howard","Crystalline enzymes : the chemistry of pepsin, trypsin, and bacteriophage",,Columbia Univ. Press,1939,Columbia biological series,,,,https://cir.nii.ac.jp/crid/1130282270755466240