International Food Policy Research Instt. Washington, D.C. <br/><br/>
A meta-analysis of rates of return to agricultural R & D; expede Herculem ?   
By Julian M. Alston ... [et..al] 
 - Washington, D.C.  The Auth.  2000 
 - x, 148p. Bibl. 
 - International Food Policy Research Instt., research report   no.113 .
<br/><br/>  
<br/><br/><label>ISBN: </label>0896291162 
<br/><br/><label>Dewey Class. No.: </label>338.14  / In61.MA