TY  - BOOK
AU  - NEWELL,Allen
TI  - Unified Theories of Cognition
SN  - 0674921011
U1  - 153.4 
PY  - 1990///
CY  - Cambridge
PB  - Harvard College
KW  - Unified
KW  - Theories
N1  - Includes bibliographical Reference and Index
ER  -