The child's conception of geometry /
by Jean Piaget, Bärbel Inhelder, and Alina Szeminska ; translated from the French by E.A. Lunzer.
- 1st ed.
- New York : Norton, [1981] c1960.
- iv, 411 p. : ill. ; 20 cm.
Translation of: La géométrie spontanée de l'enfant. Includes index.