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
"Burr, David",Olivi and Franciscan poverty : the origins of the usus pauper controversy,,University of Pennsylvania Press,1989,Middle Ages series,,0812281519,,https://cir.nii.ac.jp/crid/1130000797635200128