Rana, S.V.S. <br/><br/>
Essentials of ecology and environmental science 

 - 2nd ed. 
 - New Delhi  ; Prentice Hall  , 2005 
 - xv,488p. 
<br/><br/><label>ISBN: </label>9788120327733  250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>577  / RAN