TY  - GEN
AU  - Geppert, Donovan
TI  - Basic Electron Tubes
U1  - 621.3815,GEP 
PY  - 1951///
CY  - New York
PB  - Mc Graw Hill
KW  - Telecommunication engineering
N1  - High-Vacuum and Gas Phototubes (Page-1), High-Vacuum Thermionic Diodes (Page-43), High-Vacuum Triodes (Page-86), Tetrodes and Pentodes (Page-128), Beam Power Tetrodes (Page-164), Cathode Ray Tubes (Page-181), Glow Discharge Tubes (Page-218), Thermionic Gas Diodes (Page-256), Thyratorns (Page-263), Mercury Pool Arc Rectifiers (Page-306), Ignitrons (Page-317)
ER  -