TY  - BOOK
AU  - Collier, George Allen
TI  - Fields of the Tzotzil: the ecological bases of tradition in highland Chiapas 
AV  - F 1221.T9 C64
PY  - 1975///
CY  - Austin, Tex.
PB  - University of Texas
KW  - Tzotziles -
KW  - Agricultura
KW  - Vida social y costumbres
KW  - Ecología humana
KW  - Chiapas
KW  - Indios de México -
ER  -