00469nam a2200169Ia 450000500170000000800460001703700120006304000200007504100130009508400230010810000170013124500420014826000560019030000130024665000210025970000190028020250508150300.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a155.413, ISAqFEDL  aIsaacs Susan 0aIntellectual growth in young children  aLondon, UKbGeorge Roultedge and Sons Limitedc1930  axi,370p.  aChild Psychology  a Isaacs Nathan