TY  - SER
AU  - Ubelaker, Douglas H.
TI  - Elemental analysis of alkalis and dental deposits associated with coca chewing in Ecuador
T2  - Latin American Antiquity ; 
PY  - 2006///
CY  - Washington, DC-US : 
PB  - Society for American Archaeology, 
N1  - Articulo dentro de reports
ER  -