000 00312nam a2200121Ia 4500
100 _aedited by Robert S Siegler
020 _a0-470-26520-5
942 _cBK
245 _aChildren's thinking what develops?
260 _aLawrence Erlbaum Ass., New Jersey
_c1978
082 _a154 Sie
300 _axi,371p figs., tabs
999 _c7203
_d7203