NOSOVA, Tetiana; MAMCHUR, Stella. Choosing a Material for Manufacturing Thermionic Cathode Devices. Challenges and Issues of Modern Science, Dnipro. Ukraine, v. 1, p. 210–216, 2023. Disponível em: https://cims.fti.dp.ua/j/article/view/40.. Acesso em: 23 nov. 2024.