Thomas Brian <br/><br/>
Photoperiodism in plants. 
Thomas Brian; VincePrue Daphne 
 - London  Academic Press        1997 
 - xv,428p.  cm. 
<br/><br/><label>Standard No.: </label>58177 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>I:33C5, N7