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040 _cUNITRU
041 _hspa
082 _a537.6226/B78/Ej1
100 _aBOYLESTAD, RobertL./NASHELSKY,Louis
245 0 _aELECTRONICA: TEORIA DE CIRCUITOS
260 _bGRADE
260 _c1997
942 _2CDD
942 _cLibros
942 _h537.6226/B78/Ej1
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