TY  - GEN
AU  - Piaget, Jean
AU  - Inhelder, Barbel
AU  - Langdon, F.J ; Lunzer, J.L. tr
TI  - The Child's conception of space
SN  - 0710031513
PY  - 1956///
CY  - London
PB  - Routledge & Kegan Paul
KW  - CHILD PSYCHOLOGY
N1  - Index included
ER  -