1. Human memory: A proposed system and its control processes;Atkinson,1967
2. Short-term memory for word sequences as a function of acoustic, semantic and formal similarity;Baddeley;Quart. J. exp. Psychol.,1966
3. Some effects of age on short-term learning and remembering;Bromley;J. Gerontol.,1958
4. Acoustic confusion in immediate memory;Conrad;Brit. J. Psychol.,1964
5. Short-term memory and the aging process;Craik,1968