Bookland: Difference between revisions

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* [[ISSN]]s (which identify [[periodical publication]]s) are mapped into the UCC 977.<ref>{{cite book|url= |title=International literary market place |year=1999|isbn=0-8352-4035-5}}</ref>{{page needed|date=May 2020}}
* [[ISMN]]s (which identify [[sheet music]]) are mapped into the UCC 979. Since the leading "M" of a legacy 10-digit ISMN number (such as M-345-24680-5) is transcoded as 0, the EAN prefix 979-0 is wholly reserved for sheet music and has been dubbed the fictitious country "Musicland". Like ISBNs, ISMNs have been officially allocated using 13 digits since mid-2008.<ref>{{cite web |publisher=ISMN International |title=Guidelines for the Implementation of 13-Digit ISMNs |year=2007 |url= |archive-url= |archive-date=AugAugust 21, 2017 |url-status=dead}}</ref>
== References ==