TY  - BOOK
AU  - Jean Piaget
TI  - The Child's Conception of Time
SN  - 71006358x
U1  - 155.413 P579c 
PY  - 1969///
CY  - London
PB  - Routledge & Kegan Paul
N1  - Translated from the French by A.J. Pomerans.
original name:Le Developpement de la Notion de temps chez l'enfant
ER  -