Trivedi, P.R. . <br/><br/>
Environmental Biology /  Textual Documents 
P.R. Trivedi & Gurdeep Raj. 
 - 1st ed / 
 - New Delhi :  Akashdeep Pub. House ,  1985. 
 - 392p. :  ill. ;  21cm. . 
<br/><br/><label>ISBN: </label>81-7158-232-X 
<br/><br/><label>Subjects--Index Terms: </label>Biology- Environmental Biology- Environment 
<br/><br/><label>Dewey Class. No.: </label>574  / Tr 73 En