Vergara, B.S. <br/><br/>
The Flowering Response of The Rice Plant to Photoperiod; A Review of the Literature 

 - 3rd Edition 
 - Los Banos, Laguna, Philippines  The International Rice Research Institute  1976 
 -  p.75.:ill. 
<br/><br/><label>Universal Decimal Class. No.: </label>633.18  / DOA