TY - BOOK ED - Library of Congress. TI - MARC 21 concise format for authority data CY - Washington,D.C. KW - United States. Library if Congress KW - Local KW - MARC formats KW - Machine-readable bibliographic data KW - Electronic publications KW - Authority files Information retrieval N1 - Title from home page last updated Jan. 23,2004(viewed on Jan. 24,2004) UR - http://purl.access.gpo.gov/GPO/LPS42660 ER -