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| 100 |
_93068 _aSamuelson, Paul A. |
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| 245 | _aEconomÃa | ||
| 250 | _a13a ed. | ||
| 260 |
_aMadrid: _bMc Graw-Hill, _c1990. |
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| 300 | _a1193 p. | ||
| 650 | 0 | _aEconomÃa | |
| 700 |
_93069 _aNordhaus, William D |
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| 942 |
_2ddc _cLIBROS B |
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| 999 |
_c50996 _d50996 |
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