TY  - BOOK
AU  - Piña Chan,Román
AU  - Navarrete,Carlos
TI  - Archeological research in the lower Grijalva river region, Tabasco and Chiapas
PY  - 1967///
CY  - Provo
PB  - New World Archaeological Foundation
KW  - Mexico
KW  - Excavaciones Arqueologicas
ER  -