Trivedi, P.R. <br/><br/>
International Encyclopedia of Ecology and Environment 
P.R. Trivedi. 
 - 3rd ed. 
 - New Delhi  Indian Institute of Ecology and Environment  1994 
 - 30v,313p., 21cm.- (V.2: State of India's Environment). 
<br/><br/><label>ISBN: </label>8174560017. 
<br/><br/><label>Dewey Class. No.: </label>574.503  / T79I