000 00407nam a2200157Ia 4500
008 200817s9999 xx 000 0 und d
020 _a8466779760
082 _aB/550/G65.5p
100 _aGómez, Ricardo
245 0 _aScience 5 (primary)
942 _cLINF
999 _c21203
_d21203
264 _bAnaya English
336 _atexto
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337 _asin mediación
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338 _avolumen
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