ISBN 80771794422 was input with 11 digits (one digit too much) |
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The ISBN 80771794422 that you input has 11 digits, i.e. one digit more than a valid ISBN. You can find information on the format of an ISBN on the home page of this site. This site has found the following 2 numerically correct ISBN out of which the ISBN that you input could have resulted by a single error (adding one extraneous digit). You can now check out these suggestions in the databases of the following booksellers' sites: amazon. |
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ISBN prefix group: former Czechoslovakia | ||||
ISBN | assumed error | Catalogs for checking | ||
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80-7179-442-2 | third digit was added. or fourth digit was added. | amazon | amazon | amazon |
You can check another ISBN with this form.