TY  - SER
AU  - Francis, Julie E.
TI  - Ams radicarbon and cation-ratio dating of rock art in the bighorn basin of wyoming and montana
T2  - American Antiquity ; 
PY  - 1993///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - Artículo dentro de: Reports
ER  -