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| 041 | 0 | _aeng | |
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| 080 | _a(031)5/6 | ||
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_aReader's guide : _bencyclopedia of science technology. |
| 260 |
_aNew York : _bMcGraw-Hill, _c1960. |
||
| 300 |
_a33 p. ; _c28 cm |
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| 650 | 7 |
_aCiencia _2lemb _911734 |
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| 650 | 7 |
_aGuia del lector _2lemb _923727 |
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| 650 | 7 |
_aManuales _2lemb _92020 |
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| 650 | 7 |
_aTecnología _2lemb _94120 |
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| 655 | 7 |
_aLibro _2unescot _914 |
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_cLB _2cdu |
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_adbfi _d2021-11-12 |
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