000 00816nam a2200193 a 4500
003 AR-LpUBP
005 20240702154024.0
007 ta
008 011213s1969 xxua g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
110 2 _aU. S. Library of Congress. Information systems office
_950774
245 1 0 _aMarc Manuals Used by the Library of Congress
260 _aChicago :
_bAmerican Library Association. Information science and automa,
_c1969.
300 _apaginación varia, 1 v. :
_bil., tablas ;
_c28 cm.
500 _aContenido.- t. Subscriber's guide to the Marc distribution service.- 2. Data preparation manual: Marc editors.- 3. Transcription manual.- 4. Computer and magnetic tape unit usability study.
650 4 _aINFORMACION, TEORIA DE LA
_93921
942 _cBK
999 _c284664
_d284664
988 _c76
_dMaría Victoria Somoza
_a76
_bMaría Victoria Somoza