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
"Høyrup, Jens and Jacopo, da Firenze, fl. 1307",Jacopo da Firenze's Tractatus algorismi and early Italian abbacus culture,,Birkhäuser,2007,"Science networks, historical studies",,9783764383909,,https://cir.nii.ac.jp/crid/1130282269947509888