Progress in documentation : some themes and topics: A selection from the progress in documentation articles published in Journal of documentation, 1969-1979 / Aslib - London: Aslib, 1981 - vii, 245p. ISBN: 0851421407 Subjects--Topical Terms: Information science Subjects--Index Terms: Library service Information retrieval Universal Decimal Class. No.: D 002.001.6(04) / M1