TY  - BOOK
AU  - Piaget Jean
AU  -  Inhelder Barbel
TI  - Child's construction of quantities: Conservation and atomism
SN  - 0-7100-7887-0
PY  - 1974///
CY  - London, UK
PB  - Routledge and Kegan Paul
KW  - Child psychology
ER  -