1. Backward associations;Ekstrand;Psychological Bulletin,1966
2. An information processing theory of verbal learning;Feigenbaum,1959
3. The simulation of verbal learning behavior;Feigenbaum,1963
4. Brief notes on the EPAM theory of verbal learning;Feigenbaum,1963
5. Stimulus recall following paired-associate learning;Feldman;Journal of Experimental Psychology,1957