1. The problem of information overload in business organisations: a review of the literature
2. The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity For Processing Information;George A Miller;PSYCHOL. REV,1956
3. noting that evidence supports Miller's magical number "as a rough benchmark"); see also Nelson Cowan, The magical number 4 in short-term memory: A reconsideration of mental storage capacity;Advances Consumer Res;BEHAV. & BRAIN SCI,1992
4. Working Memory: Theories, Models, and Controversies