000 00285nam a2200121Ia 4500
100 _aPiaget, Jean
942 _cBK
654 _a
245 _aThe Developmental Psychology of Jean Piaget
260 _aNew York
_bD Van Nostrand Company, Inc
_c1963
082 _a155.4
300 _a472
999 _c347604
_d347604
041 _aeng