15 001
редагування
Зміни
→Notes on Field Contents
otherwise invalid. It may have been allocated to two different publications or products
and in this instance cancelled or it may have been incorrectly printed. Repeatable.
==Related Fields==
*[[010]] International Standard Book Number (ISBN)
:The ISBN is a component in other standard numbers
*[[011]] ISSN
:The ISSN is a component in other standard numbers.
==Notes on Field Contents==