Evenson, Robert E.  1934- <br/><br/>
Agricultural research and productivity / 
Robert E. Evenson and Yoav Kislev 
 - New Haven, Conn. :  Yale University Press,  c1975 
 - xi, 204 p. :  ill. ;  22 cm. 
 - A Publication of the Economic Growth Center, Yale University .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0300018150 (pbk.) :  PND 02.65 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research--Economic aspects--Mathematical models<br/>Agriculture--Economic aspects--Mathematical models
<br/><br/><label>Dewey Class. No.: </label>338.10184