Advances in water pollution research : proceedings of the Sixth International Conference held in Jerusalem, June 18-23, 1972 - International Conference on Advances in Water Pollution Research (1972 : Jerusalem); Eckenfelder, W. Wesley (Wilhem Wesley), 1926- (Oxford : Pergamon Press, 1964)
Keywords: Water -- Pollution -- Congresses; Sewage -- Purification -- Congresses