000 00270nam a22001217a 4500
008 170929b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a37
100 _a47
101 _aEDU
245 _aLEARNING: REINFORCEMENT THEORY
_cKELLER, F.S
942 _2udc
_cBK
999 _c30721
_d30721