TY  - SER
AU  - Shaffer, Brian S.
TI  - How many epidermal ridges per linear centimeter? comments on possible pre clovis human friction skin prints from pendejo cave
T2  - American Antiquity ; 
PY  - 1997///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - Artículo dentro de: Comments
ER  -