TY  - BOOK
AU  - Spearman, C.
TI  - Nature of intelligence and the principles of cognition
U1  - PC 
PY  - 1923///
CY  - London
PB  - Macmillan
KW  - Cognition
KW  - Consciousness
KW  - Cognitive psychology
KW  - Cognitive science
KW  - Intellect
N1  - Includes index
ER  -