KUMAR (H D). <br/><br/>
Modern concepts of ecology. Rev Ed.7 

 - 
 - ND  Vikas publishing house pvt ltd  1994 
 - x,377 
<br/><br/><label>ISBN: </label>0 7069 8676 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5 KUMM