TY  - BOOK
AU  - Piaget,Jean
TI  - The child's conception of movement and speed
SN  - 0710064918
PY  - 1970///
CY  - London
PB  - Routledge & K. Paul
KW  - Motion perception (Vision)
KW  - Child psychology
N1  - Originally published as Les notions de mouvement et de vitesse chez l'enfant. Paris, Presses Universitaires de France, 1946; Includes bibliographical references
ER  -