000 00306nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
082 _a621.3815
_bVEA
100 _aVeatch Henry C.
245 0 _aPulse and switching circuit action
260 _aNew Delhi
_bMcgraw hill
_c1979
300 _a470
942 _2ddc
999 _c22760
_d22760