TY  - BOOK
AU  - Champeix, R. and Boutry, G. A.
TI  - Physics and techniques of electron tubes: : principles of vacuum technique
U1  - 621.38151 
PY  - 1961///
CY  - Oxford
PB  - ; Pergamon Press
KW  - Electron Tubes
KW  - Electronics
KW  - Engineering
ER  -