TY  - BOOK
AU  - Culbert, Patrick T.
TI  - The classic maya collapse
T2  - A school of american research book
U1  - 972.015 
PY  - 1973///
CY  - Albuquerque, N.M.
PB  - University of New Mexico
KW  - Mayas
KW  - Cultura
ER  -