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PIAGET, J. The child's conception of movement and speed. Translated from the French by G.E.T. Holloway and M.J. Mackenzie. London, Routledge, 1970.
(XII) 306 pp. Hardcover + dustjacket. *dustjacket somewhat discoloured, otherwise in good condition*
Boeknummer 645712 € 15.00