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 "Blomkvist, Nils",The discovery of the Baltic : the reception of a Catholic world-system in the European north (AD 1075-1225),,Brill,2005,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9004141227,,https://cir.nii.ac.jp/crid/1130282271701417344