Vol. 15 No. 3 (1992)

Studies

• [es] Privatization in data transmission systems

  Angela Serrano Ferigle

  237-242

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• [es] Information value from the user perspective and the role of libraries and inf ormation services in corporations

  Belén Altuna Esteibar

  243-255

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• [es] Centres of access to databases in Spain. Data of five years

  Rosa Maria Capo

  256-265

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• [en] Threat or opportunity? The future of library services in the light of technological innovations

  F. W. Lancaster

  266-279

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Standards

• [es] Documentation. Bibliographic references. Content, form and structure (First part).
  ISO 690-1987
  PNE 50-104

  Equipo Editorial

  281-288

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Book Reviews

• [es] The use of bibliometric indicators for the assessment of research performance in the natural and life sciences: Aspects of data collection, reliability, validity and applicability. Henk F. Moed. Leiden: DSWO Press, 1989. 230 p. ISBN: 90-6695-031-5

  María Bordons

  293-294

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• [es] Navegar por la información. Rodríguez de las Heras, Antonio. Madrid: FUNDESCO, 1990. 176 p., 2 h. : il. ; 24 cm.- (col. Impactos). ISBN: 84-86094-75-5

  Arturo Martín Vega

  294-296

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• [es] Indexing and abstracting in theory and practice. Frederick Wilfred Lancaster. London: Library Association; Urbana (Illinois): University of Illinois Graduate School of Library and lnformation Science, 1991. XIV, 328 p. Bibliografia, pp. 293-313. Indice de materias, pp. 314-328. ISBN: 1-85604-004-6

  Evelio Montes López

  296-297

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News

• [es] News and experiences

  Rosa Sancho

  289-292

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Letters to the Editor

• [es] Algunas puntualizaciones sobre metogología

  Justo Hernández

  299

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• [es] Terminology

  Equipo Editorial

  301

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Bibliographic Section

• [es] Bibliographic section

  Equipo Editorial

  303-319

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