TY  - SER
AU  - Barker, Alex W.
TI  - Mesoarmerican origin for an obsidian scraper from the precolumbian southeastern United States
T2  - American Antiquity ; 
PY  - 2002///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - Artículo dentro de: Reports
ER  -