Ashworth, William <br/><br/>
Encyclopeia of environmental studies 

 - New Delhi  Viva Books  2006 
 - vii,600 p. 
<br/><br/><label>ISBN: </label>8130902362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia - Ecology<br/>Encyclopedia - Environmental studies
<br/><br/><label>Dewey Class. No.: </label>577.03  / A73