History of electron tubes /
History of electron tubes /
edited by S. Okamura.
- Amsterdam : IOS Press, 1994.
- 233 p. ; 25 cm.
9051991452 RM238.50
93-080285
Electron tubes.
Semiconductors.
9051991452 RM238.50
93-080285
Electron tubes.
Semiconductors.
