000 00236 a2200097 4500
001 23110
100 _aPettil, J M
245 _aElectronic Switching, Timing, and Pulse Circuits
260 _a
_bMcGraw-Hill
_c1959
090 _c15651
_d15651
942 _aNUST-CAE
_cM
_c6282
999 _c258183
_d258183