000 003910000a22001450004500
008 140223b1971 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aS1 L1
082 _aS1 L1
100 _aKagan Jerome
245 _aUnderstaning children: Behaviour, motives and thought
260 _aNew York
_bHarcourt Brace Hovanovich
_c1971
650 _aChild Psychology
650 _aPsychology
999 _c46671
_d46671