000 00538nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aBF723.C5H9
100 _aHyde, D. M. Georgie
245 0 _aPiaget and conceptual development: with a cross- cultural study of number and quantity
260 _aLondon
260 _bHolt, Rinehart and Winston
260 _c1970
300 _axiv,246p.
300 _c23cm.
650 _aPiaget, Jean, 1896-
942 _2Library of Congress Classification
942 _cBook
999 _c19117
_d19117