TY - BOOK AU - UNITED NATIONS , TECHNICAL COOPERATION FOR DEVLOPMENT (Deptt of--) ED - UNITED NATIONS , TECHNICAL COOPERATION FOR DEVLOPMENT (Deptt of--) TI - Ground water devlopment and management in devloping countries : 25 years of UN actvities 1963 -1988. U1 - X 42 : 8 . 1 (X) . N88<-- N63, M9/UN PY - 1989/// CY - New York PB - United Nations ER -