Eckenfelder, W.W.  1926- <br/><br/>
Biological waste treatment/ 
W.W. Eckenfelder and D.J. O'Connor 
 - Oxford:  Pergamon Press,  c1961 
 - vii, 299 p.:  ill., plates;  23 cm. 
<br/><br/>Includes bibliographical references index 
<br/><br/><label>ISBN: </label> £ 65 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal<br/>Sewage--Purification--Biological treatment<br/>Sewarage<br/>Water--Purification
<br/><br/><label>Dewey Class. No.: </label>628.354