TY  - GEN
AU  - Towers, T D.
TI  - Towers International Transistors Selector: specification data for the identification, selection and substitution of transistors 
U1  - 621.3815 
PY  - 1985///
CY  - New delhi
PB  - B.P.B Publications
KW  - Electrical Engineering
KW  - Electronics
ER  -