TY  - BOOK
AU  - Ewell P T
AU  -  Poleman T T
TI  - Uxanapa :  Agricultural development in the Mexican tropics
U1  - X8(J):275.74, M0 
PY  - 1980///
CY  - N York 
PB  - Pergamon      
KW  - ECONOMICS
ER  -