TY  - BOOK
AU  - Evenson,Robert E.
AU  - Kislev,Yoav
TI  - Agricultural research and productivity
T2  - Publication of the Economic Growth Center, Yale University
SN  - 0300018150
AV  - S540.A2 E9
U1  - 338.1/01/84 
PY  - 1975///
CY  - New Haven
PB  - Yale University Press
KW  - Agriculture
KW  - Economic aspects
KW  - Mathematical models
KW  - Research
N1  - Includes index; Bibliography: p. 195-200
ER  -