Introduction To Ecology And Environment 
Prabhakar 
 - 1st 
 -  Anmol  2001 
 - 260 
<br/><br/><label>ISBN: </label>8126109106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Env. Sc.
<br/><br/><label>Dewey Class. No.: </label>333.950954  / PRA