TY  - BOOK
AU  - Ruttan, Vernon W
ED  - Department of Agricultural and Applied Economics
TI  - Biological and technical constraints on crop and animal productivity: report on a dialogue 
T2  - Staff Papers Series / Department of Agricultural and Applied Economics
U1  - 338.1 No.45
PY  - 1989///
CY  - Minnesota, USA
PB  - University of Minnesota, Institute of Agriculture, Foresty and Home Economics
KW  - Comercio
KW  - Animales
KW  - Productos Animanles -
KW  - Técnicas Genéticas
ER  -