TY  - BOOK
AU  - Richmond,Peter Graham
TI  - An introduction to Piaget
SN  - 071006652X
PY  - 1970///
CY  - London
PB  - Routledge & K. Paul
KW  - Piaget, Jean, 1896
KW  - Child psychology
N1  - Bibliography: p. 5-6
ER  -