Raven, Peter H. <br/><br/>
Biology. 

 - 7th Ed. 
 - New Delhi :  Tata McGraw Hill Publishing Company Limited,  2005. 
 - 1350 p. 
<br/><br/><label>ISBN: </label>0070599742 
<br/><br/><label>Dewey Class. No.: </label>570  / BIO