000 00270nam a2200109Ia 4500
008 160710s1979 xx 000 0 und d
100 _aVEATCH,H.C.
245 _aPULSE AND SWITCHING CIRCUIT ACTION
260 _bTATA MCGRAW HILL
_c1979
300 _a470
942 _2ddc
_cBB
999 _c73454
_d73454