TY  - SER
AU  - Eerkens, Jelmer W.
TI  - Practice makes within 5 : : visual perception, motor Skills, and Memory in Artifact variation
T2  - Current Anthropolgy, Suplement ; 
PY  - 2000///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
N1  - Artículo dentro de: Reports
ER  -