TY  - BOOK
AU  - 
ED  - K. Anders Ericsson
ED  - Robert R. Hoffman
TI  - The Cambridge Handbooks of Expertise and Expert Performance
SN  - 9780521840972
U1  - 153.9 
PY  - 2006///
CY  - New York.
PB  - Cambrige Univesity Press 
ER  -