Chhatwal, G.R. (ed); Pandey, D.K. (ed) & Nanda, K.K.(ed) <br/><br/>
Encyclopaedic dictionary of environment 

 - Anmol Publs., New Delhi  1988 
 - vi,320 
<br/><br/><label>ISBN: </label>1 81-7041-101-7 
<br/><br/><label>Dewey Class. No.: </label>R301.303 Chh