TY  - GEN
AU  - Newell, Allen
TI  - Unified theories of cognition
SN  - 9780674921016
U1  - 153 
PY  - 1990///
CY  - Cambridge
PB  - Harvard University Press
KW  - Cognition
KW  - Cognitive psychology -- Philosophy
KW  - Cognitive science -- Philosophy
ER  -