The Revista española de Documentación Científica is published quarterly and addressed to specialists in the field of Library and Information Science and those involved in the use of scientific and technical information for science policy and decision making. The REDC includes research papers subjected to peer review process, dealing with experimental and theoretical topics, particularly in the following fields: - Measurement of Scientific Outputs; Science and Technology Indicators; Bibliometrics. - Networks and Information Systems; Electronic Resources; Internet; Web Pages. - Scientific Journal and Database Evaluation. - Libraries and Archives; Information Management; Information Treatment and Analysis.