Nelson Randy J. <br/><br/>
Phototropism  / The Biological Calendar / 

 -  Oxford University Press  2009 
 - 581p 
<br/><br/><label>ISBN: </label>9780195335903 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>612.022/NWL/2009