Agrawal, K.C. <br/><br/>
Environmental biology / 
K.C. Agrawal. 
 - New Delhi :  Agro Botanica ,  1999. 
 - 584 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8187167173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577