GUINCHAT, C. MENOU, M. General introduction to the techniques of information & documentation work - Unesco Paris 1983 = GUINCHAT, C. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: p843 Nat. Bib. Agency Control No.: 025.5GUI Subjects--Topical Terms: Information Sciences Universal Decimal Class. No.: 025.5