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004 RELATED BIBLIOGRAPHIC RECORD IDENTIFIER
Field definition
This field contains an identifier of the bibliographic record for the item for which the holdings are
reported. If the identifier is the record control number of the bibliographic record to which the
holdings record is related, it is recommended that it be directly preceded by a standard designation for
the institution or system by which it was assigned, enclosed in parentheses.
Occurrence
Mandatory. Not repeatable.
Indicators
In conformance with ISO 2709 this field does not have indicators.
Subfields
In conformance with ISO 2709 this field does not contain subfields.
Notes on field contents
There are no restrictions on the form of the related bibliographic record identifier. The application is
the same as field 001 RECORD IDENTIFIER defined in UNIMARC Manual: Bibliographic Format.
Related Fields
An agency may be using other separately identified numbers such as ISBN or National Bibliography
Number as a Record Identifier.
Examples
EX 1
(PTBN)345231
Number of the bibliographic record to which the holdings record is related, preceded by the identifier
for the National Library of Portugal, in parentheses.
EX 2
ISBN 972-565-325-4
EX 3
ISSN 0374-5406
EX 4
(DLC)86-13927
== Див. також ==
* [[UNIMARC для записів про зберігання]]