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 Great Britain. Ministry of Defence (Navy),The U-Boat war in the Atlantic 1939-1945,Facsimile ed / with introduction by Andrew J. Withers,HMSO,1989,German naval history,,0117726036,,https://cir.nii.ac.jp/crid/1130000796631481472