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
"Hermanson, Lars and Crozier, Alan","Friendship, love, and brotherhood in medieval Northern Europe, c. 1000-1200",,Brill,2019,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004400078,,https://cir.nii.ac.jp/crid/1130282269189046016