1. A reformulation of the problem of associations;Asch;American Psychologist,1969
2. Mental imagery and associative learning;Bower,1971
3. A learning model for discrete performance levels;Bower,1964
4. Subroutine Stepit. Program QCPE 66;Chandler,1965
5. Proactive effects with independent retrieval of competing responses;DaPolito,1966