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 "Halsall, Guy","Warfare and society in the barbarian West, 450-900",,Routledge,2003,Warfare and history,,"0415239400,9780415239394",,https://cir.nii.ac.jp/crid/1130282269893948928