TY  - BOOK
AU  - Hertford, Reed.
TI  - Sources of change in Mexican agricultural production, 1940-65
PY  - 1970///
CY  - Chicago
PB  - El Autor
KW  - Agricultura
KW  - Aspectos economicos
KW  - Mexico
KW  - México
N1  - Tesis (Doctor of Philosophy) -- Univ. of Chicago. Department of Economics
ER  -