TY  - BOOK
AU  - Johnston,Warren E.
AU  - Dean,Gerald W.
TI  - California crop trends.: yields, acreages, and production areas. 
T2  - Circular / California Agricultural Experiment Station
PY  - 1969///
CY  - Davis
PB  - University of California
KW  - Cultivos
KW  - Horticultura
ER  -