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
"Ewins, Peter J. and Weseloh, D.V. and Norstrom, Ross J.","Caspian Terns on the Great lakes : organochlorine contamination, reproduction, diet, and population changes, 1972-91",,"Environment Canada, Canadian Wildlife Service",1994,Occasional paper,,0662225163,,https://cir.nii.ac.jp/crid/1130282270548614528