国際ISBN機関(The ISBN International Agency)と国際DOI財団(The International DOI Foundation)は、ISBNをDOIシステムで流通させる”Actionable ISBN (ISBN-A)”を発表しています。 Launch of “Actionable ISBN” using DOI System http://www.doi.org/news/DOINewsMar09.html#2 Factsheet The ISBN System in Relation to the DOI System Version 1.0 http://www.doi.org/factsheets/ISBN-A.html ISBN AZIONABILE http://www.isbn.it/sidemenu/ISBNA/tabid/1877/Def