| 000 | 00809nam a2200217Ia 4500 | ||
|---|---|---|---|
| 001 | CEN-13528 | ||
| 003 | AR-ReUNN | ||
| 005 | 20230405144607.0 | ||
| 008 | 991230s____||||US_|||||||||||||||||en_|d | ||
| 040 |
_aAR-ReUNN _bspa _cAR-ReUNN _eAACR2 |
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| 041 | 0 | _aen | |
| 044 | _aUS | ||
| 100 |
_aLotspeich, William _922408 |
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| 245 |
_aDiscoveries in science : _bhow they are made |
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| 260 |
_aNew York : _bFawcett Publications, _c1968. |
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| 300 |
_a124 páginas : _b2 h.; 18 cm. |
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| 440 |
_aLadder : 2000 words ; _vL-52 _921808 |
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| 500 | _aThis Ladder Edition has been especially prepared for the beginning reader.This edition is for readers for whom English is a second language. It can be anyone whos has learned 2,000 words of english. | ||
| 650 |
_aCIENCIA _92348 |
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| 653 | _aTEORIA DE LAS CIENCIAS | ||
| 999 |
_c11331 _d11331 |
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| 945 |
_c1 _dOsvaldo Sosa |
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