ISBN13 check digit: Difference between revisions
new page for ISBN-13 check digit test; included langur language example
Langurmonkey (talk | contribs) (new page for ISBN-13 check digit test; included langur language example) |
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Langurmonkey (talk | contribs) (new page for ISBN-13 check digit test; included langur language example) |
(No difference)
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