Kumar,H.D. <br/><br/>
Modern Concepts of ecology 

 - New Delhi  Vikas Publishing House  1977 # 1995 
 - 478  Pb 
<br/><br/><label>ISBN: </label>0-7069-8676-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>574.5