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 "Crouch, David and Deploige, Jeroen",Knighthood and society in the High Middle Ages,,Leuven University Press,2020,Mediaevalia Lovaniensia,,9789462701700,,https://cir.nii.ac.jp/crid/1130008276703500678