TY  - SER
AU  - Gruhn, Ruth.
TI  - On the Settlement of the Americas : : south American Evidence for an Expanded time frame
T2  - Current Anthropolgy ; 
PY  - 1987///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
N1  - Artículo dentro de: Discussion and Criticism'
ER  -