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040			_e84294 _aMAIN
041			_aEnglish
082			_a001.64 T564D
100			_aTocci, Ronald J
245		0	_aDigital systems: principles and applications
250			_a5th ed.
260			_aNew Delhi _bP H I _c1992
300			_axvi, 765 p.
942			_cBK
999			_c70733 _d70733