Bernsten, Richard Haines,  1945- <br/><br/>
Constraints to higher rice yields in the Philippines  [microform] / 
by Richard Haines Bernsten 
 - Ann Arbor, Mich. :  University Microfilms International,  1978 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - University of Illnois, 1977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--Philippines