Winkler, M. A.  1935- <br/><br/>
Biological treatment of waste-water 
M.A. Winkler 
 - Chichester, England  Ellis Horwood  1981 
 - 301 p.  ill  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Biological treatment
<br/><br/><label>Dewey Class. No.: </label>628.3  / 51