TY  - BOOK
AU  - Mussin, Paul H.
TI  - European research in cognitive development: : report of the International Conference on Cognitive Development
T2  - Society for Research in Child Development. Monographs
U1  - 153.1 
PY  - 1965///)
CY  - (Chicago
PB  - University of Chicago Press)
KW  - Cognición
ER  -