[managing editor, Barbara Verrel ; editorial staff, Marianne Albertshauser, Astrid Kramuschka] ; set, 1: Afghanistan-Uruguay, 2: U.S.A.-Zimbabwe, ISBN index. -- 13th ed. = 13. Ausg. -- Saur, 1986. -- (Handbook of international documentation and information = Handbuch der internationalen Dokumentation und Information ; v. 7).