The MIT Encyclopedia of the Cognitive Sciences, edited by Robert Wilson and Frank Keil.

Catherine Carr The MIT Encyclopedia of the Cognitive Sciences, edited by Robert Wilson and Frank Keil. 183-184 2001 130 Artif. Intell. 2 db/journals/ai/ai130.html#Carr01 http://dx.doi.org/10.1016/S0004-3702(01)00095-9