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
"Fonnesberg-Schmidt, Iben","The popes and the Baltic Crusades, 1147-1254",,Brill,2007,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004155022,,https://cir.nii.ac.jp/crid/1130000797702757248