TY - BOOK AU - "United Nations, Technical Cooperaiton For Development" ED - "United Nations, Technical Cooperaiton For Development" TI - Use of non conventional water resources in developing countries T2 - UN National resources water series U1 - "X9(D2).1(X).N8, M5/UN" PY - 1985/// CY - New PB - York United Nations USA KW - Engneering ER -