Ashworth William <br/><br/>
Encyclopedia of environmental studies 
Ashworth William; Little Charles E 
 - New Delhi       Viva Books Private Limited       2006 
 - vii,600p.  cm. 
 - Viva facts on file .
<br/><br/> Bibliography 549-564p; Index 565-600p 
<br/><br/><label>ISBN: </label>8130902362 (hbd) 
<br/><br/><label>Standard No.: </label>17027 
<br/><br/><label>Source: </label> 177, 23/02/2006, Dhanraj Book House  Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental studies-Encyclopedia<br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G:55k, P6   RR