000			00274nam a2200133Ia 4500
100			_aSiemens
490			_v22
942			_cBK
654			_atransistor
245			_aTransistor as a Switch
260			_bWiley eastern _aNew Delhi _c1991
300			_a79
546			_aENGLISH
999			_c22304 _d22304