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
"Rottman, Gordon L. and Palmer, Ian",German field fortifications 1939-45,,Osprey,2004,Fortress,,9781841767611,,https://cir.nii.ac.jp/crid/1130000795801985920