Agarwal, K. C. <br/><br/>
Environmental biology / 
K. C. Agarwal 
 - New Delhi :  Agro Botanica,  c1999. 
 - 584p. :  23 cm. 
<br/><br/><label>ISBN: </label>8187167173 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental biology Biology<br/>Environment Environment<br/>Biology
<br/><br/><label>LC Class. No.: </label>QH541  / .A28 1999