TY  - GEN
AU  - Drennan,Robert
AU  - Fitzgibbons,Philip
AU  - Dehn,Heinz
TI  - Imports and exports in classic mesoamerican political economy: the Tehuacan valley and the Teotihuacán obsidian industry
SN  - 0631211152
N1  - bibliogr. p. 189-190
ER  -