"Ashworth, William" <br/><br/>
Encyclopedia of environmental studies/by William Ashworth and Charles E. Little 

 - New Delhi  Viva Books  2006 
 - 600p. 
<br/><br/><label>ISBN: </label>9788130902364 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment-Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>R