000 00250nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aWALKER, EDWARD L
_92256
245 0 _aCONDITIONING AND INSTRUMENTAL LEARNING
650 _aEDUCATION
_9161
942 _cBK
999 _c2618
_d2618