Schumacher, A. Development plans and planning bibliographic and computer aids to research - Seminar press London 1973 - 195p - Documentation centres Library usage - International bibliography and library series . ISBN: 0-12-909150-2 Nat. Bib. No.: 1189 Nat. Bib. Agency Control No.: 016SCH Subjects--Topical Terms: Bibliographies Universal Decimal Class. No.: 016 1