title: [Bibliographic searching. Introduction and theoretical basis].
authors.affiliation: Escola Universitària de Biblioteconomia i Documentació, Universitat de Barcelona.
authors.forename: C
authors.initials: C
authors.lastname: Urbano
authors.forename: J
authors.initials: J
authors.lastname: Gascón
mesh_terms: D016251:CD-ROM; D016247:Information Storage and Retrieval; D011320:Primary Health Care