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 "Macan, T. T and Cooper, R. Douglas",A key to the British fresh- and brackish-water gastropods : with notes on their ecology,4th ed,Freshwater Biological Association,1977,Scientific publication,,0900386304,,https://cir.nii.ac.jp/crid/1130000797547897216