Mara, Duncan <br/><br/>
Sewage treatment in hot climates / 
Duncan Mara 
 - West Sussex  John Wiley & Sons Ltd.  1976. 
 - xii, 168p.  ill.  23cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0471996157  RM19.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purifications