TY  - BOOK
AU  - Champeix, R.
TI  - Physics and techniques of electron tubes [v.1]
U1  - 621.38151 
PY  - 1961///
CY  - Oxford
PB  - Pergamon Press
KW  - Electron Tubes
N1  - Translation Of Physique Et Technique Des Tubes Electroniques; Contents: V.1 -- Principles of vacuum technique
ER  -