01725nam a2200325 i 4500991001786849707536030923s1999 dcu b f000 0 eng 0844409979b1219699x-39ule_instDip.to Matematicaeng025.31621MARC 21 format for authority data :including guidelines for content designation /prepared by Network Development and MARC Standards Office, Library of Congress, in cooperation with Standards and Support, National Library of Canada1999 ed.Washington :Library of Congress, Cataloging Distribution Service ;Ottawa :National Library of Canada,19991 v. (loose-leaf) ;29 cmSupersedes the March 1993 ed. and updates 1-2 of USMARC format for authority data and the 1988 ed. and amendments of Canadian MARC communication format: authoritiesIncludes bibliographical referencesMARC formatsAuthority files (Information retrieval)Data processingLibrary of Congress :Network Development and MARC Standards OfficeNational Library of Canada :Standards and SupportUSMARC format for authority data60610Canadian MARC communication format: authorities60609.b1219699x21-09-0623-09-03991001786849707536LE013 00A20 MARC1 (1999)12013000140155le013pE54.62-l- 00000.i1257049724-09-03Canadian MARC communication format: authorities60609USMARC format for authority data60610UNISALENTOle01323-09-03ma -engus 01