TY  - BOOK
AU  - Ryder, John D
TI  - Engineering Electronics
U1  - 537.5 
PY  - 1957///
CY  - Newyork
PB  - Mcgraw Hill
KW  - General Stack
KW  - Electronics
KW  - Electic circuitsVaccum tube
KW  - Physics
ER  -