TY - BOOK ED - "United Nations, Economic And Social Commission For Asia And The Pacific" TI - Proceedings of the seminar on the imporvement of i T2 - "Un, Water Resoruces Series. 56" U1 - "X9(D2).4.N7, M2" PY - 1982/// CY - New PB - York United Nations U S A KW - Engineering ER -