Pogorelov, Stanislav V., Volodymyr A. Timaniuk, Nikolay G. Kokodii, and Ihor V. Krasovskyi. “Influence of Electron Injection on the Characteristics of a Hollow Cathode Glow Discharge”. East European Journal of Physics0, no. 2 (April 30, 2021): 155-160. Accessed October 20, 2021. https://periodicals.karazin.ua/eejp/article/view/17217.