TY  - BOOK
AU  - Gewartowski, James W.
AU  - Watson, H. A.
TI  - PRINCIPLES OF ELECTRON TUBES
U1  - 621.38151 
PY  - 1965///
CY  - Princeton, N. Y.
PB  - Van Nostrand
KW  - Electron Tubes
N1  - Includes Bibliographies
ER  -