TY  - BOOK
AU  - KOHL, WALTER H
TI  - Handbook of Materials and Techniques for Vacuum Devices
U1  - F191:(C2:76) 
PY  - 1967///
CY  - NEW YORK
PB  - REINHOLD
KW  -  METALLURGICAL AND MATERIALS ENGINEERING
KW  -  ELECTRONICS
KW  - VACUUM-TUBES --MATERIALS
ER  -