Здравствуйте!
Ищу (и на русском, и на английском):
Publication date 1956
PMID: 13310704
Miller, G. A. (1956). The Magical Number Seven, plus or minus Two: Some Limits on Our Capacity for Processing Information. Psychological Review, 63, 81-97.
https://doi.org/10.1037/h0043158