International rice Research Institute <br/><br/>
Program Report For 1989 

 - P.O. Box 933, 1099 Manila, Philippines  international Rice Research Institute  1990 
 -  p.b 306:pic.:ill. 
<br/><br/><label>ISSN: </label>01170880 
<br/><br/><label>Universal Decimal Class. No.: </label>633.18  / DOA