Herdt, Robert W.,  1939- <br/><br/>
Adoption, spread, and production impact of modern rice varieties in Asia 
R.W. Herdt and C. Capule 
 - Manila  International Rice Research Institute  1983 
 - 54 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--Varieties--Asia