TY  - SER
AU  - Sheets,Payson
AU  - Hirth,Kenneth
AU  - Lange,Fred
AU  - Stross,Fred
AU  - Asaro,Frank
AU  - Michel,Helen
TI  - Obsidian sources and elemental analyses of artifacts in southern mesoamerica and the northern intermediate area
SN  - 00027316
N1  - bibliogr. p. 158
ER  -