TY  - BOOK
AU  - Tolstoy, Paul
TI  - Surface survey of the Northern Valley of Mexico: the classic and post-classic periods 
AV  - Q 11 P6.v.48
PY  - 1958///
CY  - Philadelphia, Pa.
PB  - The American Philosophical Society
KW  - Valle de México -
KW  - Arqueología
ER  -