Ricklefs, Robert  E. <br/><br/>
Ecology 

 - 3rd ed. 
 - Delhi  Panima Educational Book Agency  1990 
 - xii, 896p, 23 cm. 
<br/><br/><label>ISBN: </label>0716720779 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / RIC