TY  - BOOK
AU  - Ericsson, K. Anders,  and others
TI  - The Cambridge handbook of expertise and expert performance 
SN  - 978 0 521 60081 1
U1  - 153 9 CAM 
PY  - 2006///
CY  - Cambridge 
PB  -  Cambridge University Press
KW  - PERFORMANCE PSYCHOLOGICAL ASPECTS
ER  -