000 00258nam a22001097a 4500
999 _c155387
_d155387
082 _a150.19434 SK628B
100 _aSkinner, B.F.
245 _aBeyound Freedom and Dignity
260 _bA Bantam/ Vintage Books
_c1971
300 _a215p.
_b18cm.
942 _cBK