000 00320nam a2200145Ia 4500
100 _aMayer, Richard
020 _a0-316-55151-1
365 _b440.7
942 _cBK
654 _a
245 _aEducational psychology
260 _aToronto
_bLittle, Brown & Company
_c1947
082 _a370.15
300 _axxviii,578
999 _c415501
_d415501
041 _aeng