not well-formed | |||||||||
ignored hyphens | |||||||||
The UCC prefix is malformed (should be 978 or 979). | |||||||||
The check-digit is correct. |
well-formed | ||
valid hyphenation | ||
ISBN-10 | 608-289-755-2 | 6082897552 |
ISBN-13 | 978-608-289-755-4 | 9786082897554 |
Agency | North Macedonia | |
Publisher | Ars Libris |
well-formed | ||
valid hyphenation | ||
ISBN-10 | 608-259-628-5 | 6082596285 |
ISBN-13 | 978-608-259-628-0 | 9786082596280 |
Agency | North Macedonia | |
Publishers | Ars Libris | |
Libi |
well-formed | ||
valid hyphenation | ||
ISBN-10 | 608-267-212-7 | 6082672127 |
ISBN-13 | 978-608-267-212-0 | 9786082672120 |
Agency | North Macedonia | |
Publisher | Ars Libris |