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041 _aeng
043 _aec
082 _a621.3815
100 _aFLETCHER, WILLIAM I.
245 0 _aAN ENGINEERING APPROACH TO DIGITAL DESIGN
250 _aS.E.
260 _aEcuador
_bESPOL
_c1993
260 _aGUAYAQUIL
300 _a439
650 _aDISEÑO DIGITAL
650 _aELECTRONICA DIGITAL
942 _c01
010 _a34129
999 _c218346
_d218346