Order:
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    The Early Growth of Logic in the Child.E. A. Peel, B. Inhelder, J. Piaget, E. A. Lunzer & D. Papert - 1965 - British Journal of Educational Studies 13 (2):213.
  2. The Child's Conception of Geometry.Jean Piaget, Barbel Inhelder, Alina Szeminska & E. A. Lunzer - 1960 - British Journal of Educational Studies 9 (1):84-85.
  3. The development of consciousness.E. A. Lunzer - 1979 - In Geoffrey Underwood & Robin Stevens, Aspects of consciousness. New York: Academic Press.