TY  - BOOK
AU  - Holloway,G.E.T.
AU  - Piaget,Jean
TI  - An introduction to "The child's conception of geometry"
T2  - Further aspects of Piaget's work
PY  - 1967///
CY  - London
PB  - Routledge & Kegan Paul
KW  - Conservation of space (Psychology)
ER  -