Correct ISBN-13 detected;ISBN begins with 979

The ISBN 9791021017528 was checked and found numerically correct. This only means that it is 1 digits long and has the correct check digit (last digit). The ISBN begins with 979; this prefix could be assigned starting with 2007. To the home page
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Tiu ĉi paĝo en Esperanto (Unikodo)
Tiu cxi pagxo en Esperanto (x-igata)

The fully correct format (including dashes) for this ISBN is: 979-10-210-1752-8

ISBN prefix group: France


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