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003 YPZ
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022 _a00219584
040 _cSIUNPA
041 _aeng
044 _aUS
080 _a05-h-22
245 _aJournal of chemical education
260 _aTexas
_b : American Chemical Society
_c , 2000
310 _aMensual
650 _aQUIMICA
650 _aEDUCACION
942 _cCR
999 _c31348
_d31348