TY  - BOOK
AU  - Evenson Robert E
AU  -  Kislev Yoav
TI  - Agriculture research and productivity
T2  - Economic Growth Centre, Yale University, Publication
U1  - X9(J):2, L5 
PY  - 1975///
CY  - New Haven 
PB  - Yale University Press       
KW  - Agriculture Industry
ER  -