TY  - BOOK
AU  - Laak,Jan J.F.ter
AU  - Heymans,Peter G
AU  - Podolskii,Andrei I
TI  - Developmental tasks: towards a cultural analysis of human development 
SN  - 0792329058 :
U1  - 331.11 
PY  - 1994///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  - Developmental psychology
KW  - Child psychology
KW  - Social aspects
ER  -