ISBN

http://isbn-international.org

http://www.ean.be

http://www.uc-council.org

http://www.issn.org

http://www.ifpi.org

http://www.ordiecole.com/excel/isbn13.xls
http://www.ordiecole.com/excel/isbn13b.xls

http://www.apprendre-en-ligne.net/crypto/passecret/isbn.html
http://www.apprendre-en-ligne.net/crypto/passecret/isbn.pdf
http://www.ordiecole.com/isbn2.pdf

http://www.isbn-international.org/fr/ISBNmanualfr.pdf
http://www.ordiecole.com/isbn.pdf

http://www.ordiecole.com/isbn.html
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http://www.ordiecole.com/isbn.txt