| 000 | 00647nam a2200229 04500 | ||
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| 001 | CIA01000000000000000025188 | ||
| 005 | 20250326104958.0 | ||
| 008 | 991125s1986 mx a 000 0 spa u | ||
| 020 | _a968-406-003-3 | ||
| 035 | _a005717 | ||
| 050 | 0 | 4 |
_aQB 721 _bS38 |
| 100 | 1 |
_aSagan, Carl _d1934-1996 _968168 |
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| 245 | 1 | 3 | _aEl Cometa |
| 260 |
_aMéxico : _bPlaneta, _c1986 |
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| 300 |
_a398 p. : _bil. ; _c25 cm. |
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| 650 | 4 |
_aAstronomÃa _9450 |
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| 700 | 1 |
_aDruyan, Ann, coaut. _991918 |
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_aLOGICAT _b20 _c20040112 _lCIA01 _h1408 |
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_aALEPH14 _b30 _c20051220 _lCIA01 _h1418 |
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| 999 |
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