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| 003 | BIBL | ||
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_aSelsam, Howard _2Local _9167784 |
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_aEtica y progreso _bnuevos valores en un mundo revolucionario _cHoward Selsam ; versión al español de Joaquín Sempere. |
| 260 | 0 |
_aMéxico _bEditorial Grijalbo _c1965. |
|
| 300 | _a160 p. | ||
| 500 | _aTranslation of : Ethics and progress, | ||
| 650 | 0 |
_aSocial change _2Local _9171740 |
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| 650 | 0 |
_993473 _aEthics _2Local |
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_c1669 _d1669 |
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