TY  - BOOK
AU  - Defrance,Joseph J.
TI  - Electron tubes and semiconductors
U1  - 621.38151 
PY  - 1958///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Electron tubes
KW  - Semiconductors
KW  - Vacuum-tubes
KW  - Electrons
KW  - Emission
KW  - Cathode-ray tubes
KW  - Transistors
N1  - Includes index
ER  -