000 00309nam a22001217a 4500
050 _aMED. BF319
_bT37
100 _aThompson, T.
245 _aReinforcement schedules and multioperant analysis
260 _aLondon
_bMeredith corporation
_c1972
300 _axii, 336p.
650 _aReinforcement
942 _cBK
999 _c15209
_d15209