Lindsey Keith Ed. <br/><br/>
Polarity in plants. 
Lindsey Keith Ed. 
 -  1993 
<br/><br/><label>Standard No.: </label>6594 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>In1,N93, N3.12