Purves, W.K etal <br/><br/>
Life: The science of Biology/ 
William, k,p , David, S, Gordon, H .O, Heller, H.C 
 - 7th ed 
 - Gordonsville  W.H Freeman & co  2004 
 - xli, 1120p, ; ill  hbk 
<br/><br/><label>ISBN: </label>0716798565 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH 302.2 P8 2004