well-formed | ||
valid hyphenation | ||
ISBN-10 | 88-8451-049-X | 888451049X |
ISBN-13 | 978-88-8451-049-5 | 9788884510495 |
Agency | Italy |
well-formed | |||||||||
invalid hyphenation | |||||||||
ISBN-10 | |||||||||
ISBN-13 | 802-1 | 8022264713351 | |||||||
Agency | |||||||||
UCC prefix is malformed (should be 978 or 979) |