Correct ISBN-13 detected;ISBN begins with 979

The ISBN 9799633563037 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 start of the ISBN corresponds to none of the groups published by the International ISBN Agency as per 2003-05-19.

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