TY - BOOK AU - And United Nations Office Of Technical Coperation ED - And United Nations Office Of Technical Coperation TI - Water resource project planning T2 - "United Nations, Water Resoruces Series. 41" U1 - "X9(D2):75.4.N7, L2/UN" PY - 1972/// CY - New PB - York United Nations U S A KW - Engineering ER -