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isbn-13 [26/06/2007 18:19] 127.0.0.1 editor externo |
isbn-13 [05/05/2009 18:18] fernando |
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* [[http://www.isbn-international.org/en/download/implementation-guidelines-04.pdf|Guidelines for the implementation of 13-digit ISBNs]] (pdf) | * [[http://www.isbn-international.org/en/download/implementation-guidelines-04.pdf|Guidelines for the implementation of 13-digit ISBNs]] (pdf) | ||
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+ | {{tag>catalogacion}} |