History of electron tubes /
edited by S. Okamura.
APA Citation
Okamura, S. (1994). History of electron tubes. Tokyo: Ohmsha .
MLA Citation
Okamura, Sōgo, 1918-2013. History of Electron Tubes. Tokyo: Ohmsha , 1994.
Warning: These citations may not always be complete (especially for serials).