Diwan,A.P. <br/><br/>
Ecology and evolution 

 - New Delhi,  Anmol publishing house,  1995 
 - v, 468p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5   / D618E