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| 049 | _aLT | ||
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_aLB1651 M6.1 _bC54 |
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_aCiencias naturales 1 / _bRosa María Márquez Mancilla ... [et al.]. |
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_aMéxico : _bSITESA, _c1989. |
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_a293 p. : _bil. |
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_aCiencias naturales _xEstudio y enseñanza (Secundaria) _97979 |
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_aMárquez Mancilla, Rosa María, _ecoaut. |
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| 905 | _aLibro | ||
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