TY  - BOOK
AU  - Smil, Vaclav.
AU  - Long II, Thomas V.
AU  - Nachman, Paul.
TI  - Energy analysis and agriculture ; an application to U.S. Corn Production
T2  - Westview special studies in agriculture science and policy
U1  - 631 
PY  - 1983///
CY  - Boulder, Colo.
PB  - Westview
KW  - Energía y agricultura
KW  - Maíz
KW  - E.U.A
KW  - Rendimiento
ER  -