000 00283nam a2200121Ia 4500
100 _aWerner, Heinz.
942 _cBK
654 _a
245 _aComparative psychology of mental development
260 _aNew York
_bScience editions
_c1961
082 _a155
300 _bHb
_axii, 564
999 _c396180
_d396180
041 _aeng