TY  - BOOK
AU  - Dushman, Saul 
TI  - Scientific foundations of vacuum technique
U1  - 533.5 21st ed.
PY  - 1949///
CY  - New York
PB  - John Wiley
KW  - Electrical discharges through gases
KW  - Vacuum
N1  - Index: pp 857-82
ER  -