000 00278nam a22000977a 4500
082 _a370.154
_bVER.M
100 _aVernon, Walter M
245 _aMotivating children:
_bbehavior modification in the classroom
260 _aNew York:
_bHolt, Rinehart and Winston;
_c1972
942 _cBK
999 _c325846
_d325846