Advances in Sewage Treatment Proceedings of the Conference held on 14 November 1972 at the Institution of Civil Engineers 

 - London :   Institution of Civil Engineers,   c1972 
 - 79 p.  : ill 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage Purification Congresses
<br/><br/><label>Dewey Class. No.: </label>628.3  / INS