Reference Quarterly, Volumen21Reference and Adult Services Division of the American Library Association., 1981 |
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... updated monthly . PTS International Time Series . years vary ( earliest 1948 ) , 136,285 records , quarterly replacements . PTS U.S. Forecasts . July 1971 - present , 185,238 records , quarterly updates . PTS U.S. Time Series . years ...
... updated monthly . PTS International Time Series . years vary ( earliest 1948 ) , 136,285 records , quarterly replacements . PTS U.S. Forecasts . July 1971 - present , 185,238 records , quarterly updates . PTS U.S. Time Series . years ...
Página 129
... updated monthly and is retrieved , reproduced , and distributed semiannually in directory form called ' CRIB Books ... updated and revised . The cost of word processing equipment is from $ 5,000- $ 15,000 . The file can be stored on disc ...
... updated monthly and is retrieved , reproduced , and distributed semiannually in directory form called ' CRIB Books ... updated and revised . The cost of word processing equipment is from $ 5,000- $ 15,000 . The file can be stored on disc ...
Página 293
... Updated monthly . 150,000+ records . SWRA / WRA is prepared by the Water Resources Scientific Information Center ... updated monthly involving about 1,000 records per update . WATERLIT is a database with a similar subject scope , but ...
... Updated monthly . 150,000+ records . SWRA / WRA is prepared by the Water Resources Scientific Information Center ... updated monthly involving about 1,000 records per update . WATERLIT is a database with a similar subject scope , but ...
Contenido
Library Literacy | 15 |
Govt Pubs | 23 |
Quantitative Evaluation of the Reference Process | 43 |
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AACR2 Abstracts academic agencies American Library Association areas bibli biblio bibliogra brary catalog Center Chicago citations cluded collection Community compiled Cooperative Reference cost coverage database Detroit Dictionary Directory discography documents edition editor ence Encyclopedia entries field film format Fresno County G. K. Hall Gale Research Garland Reference guide to information illus Includes indexes information sources Institute interlibrary International ISBN journals language library instruction Library of Congress literature materials mation ment Metuchen Music National OCLC offline ography online searching Oregon State Library patron percent printed problems production public libraries published ratios records reference librarian reference service requests retrieval RLIN San Mateo County Scarecrow Science searcher selected Slavic social specific staff standard tion tional titles topics U.S. Government University updated volume workshop York