Saturday, December 20, 2014

RDA BLOG: Correct Coding of ISBN in MARC21 field 020 in RDA & AACR2 Cataloging with Examples



Several years ago the definition of $z of the 020 (International Standard Book Identifier) was expanded—it is now used for “structurally invalid” ISBNs (those that are too short, too long, wrong check digit, etc.) and also for “application invalid” ISBNs (ISBNs for a manifestation that would be described in a different bibliographic record)... Read complete post on RDA Blog>>



#RDA #CATALOGING #RDABLOG #LCPCCPS #AACR2