Cathode assembly: A F Val'kov, (Patent), Author's certificate SSSR, class 21, 13/17, /N 01/, No 170125, claimed 19 April 1963, published 6 May 1965, (Russian).

• Book ID: 103452886
• Publisher: Elsevier Science
• Year: 1966
• Tongue: English
• Weight: 151 KB
• Volume: 16
• Category: Article
• ISSN: 0042-207X
• DOI: 10.1016/0042-207x(66)91370-4