Evenson Robert E <br/><br/>
Agriculture research and productivity 

 - New Haven   Yale University Press         1975 
 - xi, 204p. Bib p 195-200 ; Appendix p 165-93  cm. 
 - Economic Growth Centre, Yale University, Publication .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J):2, L5