000 00273cam a2200109 4500
001 0872206270
008 081016t1971 xxu||||| |||| 00| 0 eng d
020 _a0872206270
100 _aSkinner, BF
245 0 _aBeyond freedom and dignity
260 _aIndianapolis
_bHackett
_c1971
999 _c53951
_d53951