Peter C. R. Lane Fernand Gobet Simple environments fail as illustrations of intelligence: A review of R. Pfeifer and C. Scheier, Understanding Intelligence. 261-267 2001 127 Artif. Intell. 2 db/journals/ai/ai127.html#LaneG01 http://dx.doi.org/10.1016/S0004-3702(01)00063-7