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

 - 1st /   1990. 
 - N.Delhi:  Vikas Publishing House,  1990. 
 - 386 p. 
<br/><br/><label>ISBN: </label>0706951352 
<br/><br/><label>Subjects--Personal Names: </label><br/>Zoology, Ecology. 
<br/><br/><label>Dewey Class. No.: </label>574.5