TY - BOOK AU - "United Nations ,Technical Cooperaiton For Development" ED - "United Nations ,Technical Cooperaiton For Development" TI - Non-conventional water resources use in developing countries T2 - UN Natural resources water series22 U1 - "X9(D2).1(X).N8, M5/UN" PY - 1985/// CY - New PB - York United Naitons USA KW - Engneering ER -