TY  - BOOK
AU  - Piaget,Jean
AU  - Malcolm Piercy
AU  - D. E. Berlyne
TI  - The psychology of intelligence
U1  - 153.9 
PY  - 1950/// [Reprinted 1951]
CY  - London
PB  - Routledge & Paul
KW  - Intellect
N1  - Bibliography: p. 174-176. and Index
ER  -