Improvement the Action Efficiency of Microwave Vacuum Tube Type GI-19B by Activation its Intersurfaces. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 21, n. 2, p. 36–44, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1347.. Acesso em: 19 may. 2024.