TY  - BOOK
AU  - PETTRIT, JOSEPH M,MCWHORTER, MALCOLM M
TI  - ELECTRONIC SWITCHING TIMING AND PULSE CIRCUITS
SN  - 07-049726-5
U1  - 621.381537 PET'E 
PY  - 1970///
CY  - NEWYORK
PB  - MCGRAW HILL
ER  -