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| 008 | 090401t1971 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0140216618 | ||
| 020 | _a0140552316 | ||
| 035 | _a(Sirsi) i9780140216615 | ||
| 060 | _aWLM 50. | ||
| 100 | _aSkinner, B F | ||
| 245 | _aBeyond freedom and dignity | ||
| 260 |
_bPenguin, _c1971 |
||
| 300 | _a220p(est) | ||
| 591 | _aU | ||
| 650 | _aPsychology | ||
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