1. A closed-loop theory of motor learning;Adams;Journal of Motor Behavior,1971
2. Facilitation and interference;Battig,1966
3. The flexibility of human memory;Battig,1979
4. The co-ordinated and regulation of movements.;Bernstein,1967
5. The spacing effect: Consolidation or differential encoding?;Bjork;Journal of Verbal Learning and Verbal Behavior,1985