Advances in water pollution research :  proceedings of the Sixth International Conference held in Jerusalem, June 18-23, 1972 / 
Edited by W. W. Eckenfelder 
 - Oxford :  Pergamon Press,  1964 
 - v. :  ill. ;  26 cm. 
 = Advances in water pollution research :  proceedings of the Sixth International Conference held in Jerusalem, June 18-23, 1972 / Advances in water pollution research :  proceedings of the Sixth International Conference held in Jerusalem, June 18-23, 1972 / 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Congresses<br/>Sewage--Purification--Congresses