[840] Ericsson, A. K. (2008).  Deliberate Practice and Acquisition of Expert Performance: A General Overview. Academic Emergency Medicine. 15(11), 988 - 994.

[1437] Krampe, R T., & Ericsson A. K. (1996).  Maintaining Excellence: Deliberate Practice and Elite Performance in Young and Older Pianists, ,. Journal of Experimental Psychology: General. 125(4), 331 - 359.

[386] Ericsson, A. K. (1985).  Memory skill.. Canadian Journal of Psychology/Revue canadienne de psychologie. 39(2), 188 - 231.