TY  - BOOK
AU  - Evenson, Robert E
AU  - Waggoner, Paul E
AU  - Ruttan, Vernon W
AU  - Evenson, Robert E
AU  - Waggoner, Paul E
AU  - Ruttan, Vernon W
ED  - Yale University. Economic Growth Center
TI  - Economic benefits from research : an example from agriculture
T2  - Center paper
U1  - F 338.16 E 12644 
PB  - Yale Univ. Economic Growth Center
KW  - INVESTIGACION AGRICOLA
KW  - PRODUCTIVIDAD AGRICOLA
KW  - ESTADOS UNIDOS
N1  - Separata de: Science, v. 205, 1979; Incluye bibliografía; Separata de: Science, v. 205, 1979
ER  -