ISBN
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The International Standard Book Number is a numeric commercial book identifier that is intended to be unique. Publishers purchase or receive ISBNs from an affiliate of the International ISBN Agency. Wikipedia
Length: 13-digit
Acronym: ISBN
Check digit: Weighted sum
Example: 978-3-16-148410-0
Introduced: 1970; 54 years ago
No. of digits: 13 (formerly 10)
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The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase or receive ISBNs ...
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The ISBN is a unique identifier for a book or other book-like product (such as an audiobook) that specifies its format, edition, and publisher.