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
"Callow, Chris","Landscape, tradition and power in medieval Iceland : Dalir and the Eyjafjörður region c.870-c.1265",,Brill,2020,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004278875,,https://cir.nii.ac.jp/crid/1130567904675272832