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
"Roeck Hansen, Birgitta",Township and territory : a study of rural land-use and settlement patterns in Åland c. A.D. 500-1550,,Almqvist & Wiksell International,1991,Acta Universitatis Stockholmiensis,,9122014454,,https://cir.nii.ac.jp/crid/1130000797586561408