TY  - BOOK
ED  - E.U.A. Department of Agriculture
TI  - Crop yields and climate change to the year 2000
U1  - 630.2515 
PY  - 1980///-
CY  - Washington
PB  - The Department
KW  - Cultivos y clima
KW  - Cultivos
KW  - Rendimiento
N1  - Contenido : v.1 Report on the second phase a climate inpact assessment
ER  -