Nickell, Louis G. <br/><br/>
Plant Growth Regulators 
Louis G. Nickell 
 - New York:  Springer,  1982. 
 - xii,173p. 
<br/><br/><label>ISBN: </label>3540109730 
<br/><br/><label>Dewey Class. No.: </label>631.8  / NIC/P