TY  - BOOK
ED  - Oregon State University. Corvallis, Ore. Dryland Agriculture Technical Committee
TI  - Dryland agriculture in winter precipitation regions of the world
U1  - 634.907 
PY  - 1979///
CY  - Corvallis, Ore.
PB  - The University
KW  - Agricultura
KW  - Regiones áridas
KW  - Lluvia
KW  - Efecto en agricultura
N1  - Fotocopia
ER  -