MARC 21 format for authority data : including guidelines for content designation - Estados Unidos Library of Congress Network Development and MARC Standards Office; National Library of Canada. Standards and Support (Washington : Library of Congress, Cataloging Distribution Service, 1999)
This is a loose-leaf publication intented to be kept up-to-date by the issuing of new and replacement pages. The publication date for the base text is October 1999. It supersedes the March 1993 edition and updates 1-2 of the USMARC Format doe Authority Data and the 1988 edition of the Canadian MARC communication format: authorities
Keywords: MARC (FORMATO DE REGISTRO BIBLIOGRAFICO); MANUALES; CATALOGOS DE AUTORIDAD; PROCESAMIENTO DE DATOS