TY  - BOOK
AU  - Gewartowski, James W.
AU  - Watson, H. A.
TI  - INTRODUCTION TO ELECTRON TUBES
U1  - 621.38151 
PY  - 1969///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Electron Tubes
N1  - Most Of The Materials Has Been Taken From The Authors Principles Of Electron Tubes, Published In 1965
ER  -