Dictionary of environment / 
P. N. Arora and M. C. Arora. 
 - 1st ed. 
 - New Delhi :  S. Chand,  1996 
 - 338 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>8121910064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental 
<br/><br/><label>Dewey Class. No.: </label>574.5  / ARD