TY  - SER
AU  - Burger, Richard L.
TI  - Loca ting the quispisisa obsidian source in the department of ayacucho, Peru
T2  - Latin American Antiquity ; 
PY  - 2000///
CY  - Washington, DC-US : 
PB  - Society for American Archaeology, 
N1  - Articulo dentro de reports
ER  -