Agarwal, K.C. <br/><br/>
Environmental biology 

 - Delhi :  Agro Botanical,  1987. 
 - 439p.;  23cm 
<br/><br/><label>ISBN: </label>81-85031-19-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574.5  / AGA