TY  - BOOK
AU  - Kohl, Walter Heinrich
TI  - MATERIALS AND TECHNIQUES FOR ELECTRON TUBES
U1  - 621.384 
PY  - 1960///
CY  - N. Y.
PB  - Reinhold
KW  - Electron Tubes -- Materials
N1  - A Completely Revised Edition Of The Author'S Materials Technology For Electron Tubes
ER  -