NAKHODKIN, M. G.; FEDORCHENKO, M. I. Photoelectron Emission from Si–Gd–O Cathode. Ukrainian Journal of Physics, [S. l.], v. 61, n. 3, p. 248, 2019. DOI: 10.15407/ujpe61.03.0248. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019106. Acesso em: 25 apr. 2024.