Mackenzie, A <br/><br/>
Instant notes in ecology 

 - New Delhi  Viva Books  1999 
 - vii,321 p.  Illustration 
 - The Instant Notes Series .
<br/><br/><label>ISBN: </label>8176490369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PUBLIC HEALTH AND ENVIRONMENTAL ENGINEERING
<br/><br/><label>Universal Decimal Class. No.: </label>628  / MAC