LEADER 00000nam 2200241 a 4500 001 0415905 003 UkHlHU 007 t 008 001509 1 1978 000 eng 040 UkHlHU 050 4 BF 723 S5 L2 110 2 Jean Piaget Society. 245 00 Language and Operational Thought /|cedited by B.Z. Presseisen, D. Goldstein and M.H. Appel. 260 New York :|bPlenum Press,|c1978. 300 210p. 650 0 Genetic psychology. 650 0 Child psychology. 700 0 Presseisen, Barbara Z. 700 0 Goldstein, David. 700 0 Appel, Marilyn H. 946 020 absent -- ISBN check required
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