Nakhodkin MG, Fedorchenko MI. Photoelectron Emission from Si–Gd–O Cathode. Ukr. J. Phys. [Internet]. 2019 Jan. 6 [cited 2024 Nov. 22];61(3):248. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019106