000 00346nam a22001337a 4500
020 _a07-049726-5
082 _a621.381537 PET'E
100 _aPETTRIT, JOSEPH M,MCWHORTER, MALCOLM M
_975502
245 _aELECTRONIC SWITCHING TIMING AND PULSE CIRCUITS
250 _a2ND
260 _aNEWYORK
_bMCGRAW HILL
_c1970
300 _a289P
942 _cBK
999 _c580904
_d580904