It was first published in 1991 under the title In late 1999, PUC appointed a working group to develop a UNIMARC specification for holdings information pertaining to a bibliographic item. – (IFLA Series in Bibliographic Control, 36) The UNIMARC Authorities Format was designed to allow the creation of authority and reference records for the management of controlled access points in a bibliographic database.The records are validated by Scope’s subject matter experts (SMEs).
If you have ideas for new sections please let the make a suggestion on perl4lib In 1999 a group of developers began working on to provide a Perl module for working with MARC data.
In much of Europe, UNIMARC is the variant most often seen.
All of these records are formatted the same, with a structure of which tells what tags are in the record, and where they are located.
It's a format first developed in the 1960s for the U. Library of Congress in order to facilitate the exchange of bibliographic records among libraries.
By the mid-1970s, it was an international standard, used around the world. MARC21 was a merger in the 1990s between USMARC and CANMARC, the US and Canadian variants then in use, and other countries have their own formats.