000 00459nad a22001457a 4500
008 120525s1934 -us||||| |||| 00| 0 eng d
041 _aeng
100 1 _aSkinner, B. F.
245 1 4 _aThe extinction of chained reflexes /
_cby B. F. Skinner
260 _aWashington :
_b[s.n.],
_c1934
300 _a234-237 p. ;
_c25 cm
440 1 _aProceedings of the National Academy of Sciences ;
_v20
760 _011783
_911783
_tNeurofisiologia.
_w11783
942 _2ddc
_cPM
999 _c30762
_d30762