Advances in sewage treatment, proceedings of the conference held on 14 November 1972 at the Institution of Civil Engineers 

 - London :  Telford for the Institute of Civil Engineers,  1972 
 - 79 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>0901948705 :  PND 7.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purificationes
<br/><br/><label>Dewey Class. No.: </label>628.3063