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005			20260205054103.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a621.395 L465D
100			_aLeach
245		0	_aDigital principles and applications
260			_aDelhi _bTata Mcgraw _c2002
300			_a638p.
942			_cBK
999			_c132522 _d132522