Herdt, R. W.  1939- <br/><br/>
Adoption, spread, and production impact of modern rice varieties in Asia / 
R.W. Herdt and C. Capule 
 - Laguna, Philippines :  International Rice Research Institute,  1983 
 - 54 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p.39-45 
<br/><br/><label>ISBN: </label>9711040832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--Varieties--Asia<br/>Agricultural innovations--Asia