1. Proactive inhibition in short-term retention of single items;Keppel;J. verb. Learn. verb. Behav.,1962
2. Comments on Professor Peterson's paper;Melton,1963
3. Short-term retention of individual verbal items;Peterson;J. exp. Psychol.,1959
4. Short-term memory and incidental learning;Postman,1964
5. Meaningfulness and verbal learning;Underwood,1960