MEILUS, J.; GELZINIS, S. The New Two-Electron Stream Magnetron Frequency Multiplier. Elektronika ir Elektrotechnika, [S. l.], v. 12, n. 3, 1997. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/15857. Acesso em: 28 sep. 2020.