Proceedings - New York United Nations U S A 1967 - "viii,262p." cm. - "United Nations, Water Resoruces Series. 32" . "United Nations, Economic for Asia and the Far East, publcation" Standard No.: 84261 Source: Reference Collections Subjects--Topical Terms: Engineering Dewey Class. No.: "X9(D2):27p4,N66, K7"