TY  - BOOK
AU  - Evenson, Robert E
AU  - Putnam, Jonathan D
AU  - Evenson, Robert E
AU  - Putnam, Jonathan D
ED  - Yale University. Economic Growth Center
TI  - Institutional change in intellectual property rights
T2  - Center Paper
U1  - F 346.048 E 16268 
PB  - Yale Univ. Economic Growth Center
KW  - PROPIEDAD INTELECTUAL
KW  - ASPECTOS JURIDICOS
KW  - PATENTES
KW  - ANALISIS HISTORICO
KW  - ESTADOS UNIDOS
KW  - ASPECTOS LEGALES
N1  - Separata de: American Journal of Agricultural Economics, v. 69, n. 2, 1987; Incluye bibliografía; Separata de: American Journal of Agricultural Economics, v. 69, n. 2, 1987
ER  -