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

 - 7th ed. 
 - New Delhi  Vikas Publishing House Pvt Ltd  1977 
 - x,377p.  21cm 
<br/><br/><label>ISBN: </label>0706986768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Life sciences  Biology
<br/><br/><label>Dewey Class. No.: </label>577  / KUM