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
"Ballin Smith, Beverley and Taylor, Simon and Williams, Gareth",West over sea : studies in Scandinavian sea-borne expansion and settlement before 1300 : a festschrift in honour of Dr. Barbara E. Crawford,,Brill,2007,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004158931,,https://cir.nii.ac.jp/crid/1130000794837334912