Gopal, B. . <br/><br/>
International Journal of Ecology and Environmental Sciences Vol. 33 /  Textual Documents 
B. Gopal. 
 - 1st ed / 
 - New Delhi :  National Institute of Ecology ,  2007. 
 - 230p ;  28 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Journals BV-Biology 
<br/><br/><label>Dewey Class. No.: </label>574  / GOP