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082			_a621.31 K95E
100			_aKUBALA,THOMAS S
245		0	_aELECTRICITY ,DEVICES,CIRCUITS & MATERIALS -BK.2
260			_aNEW YORK _bDELMAR _c1991
300			_a126P.
690			_aELECTRICITY
942			_cBK
999			_c220623 _d220623