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xISBN is a library web service that supplies International Standard Book Numbers (ISBNs) associated with individual intellectual works represented in the OCLC WorldCat database. Give it an ISBN, and it returns a list of associated ISBNs.
I. Blümel, S. Dietze, L. Heller, R. Jäschke, and M. Mehlberg. (2014)12th International Conference on Current Research Information Systems, \CRIS\ 2014Managing data intensive science – The role of Research Information Systems in realising the digital agenda.