Kovtun, Yu.V., E.I. Skibenko, A.I. Skibenko, and V.B. Yuferov. “Estimation of the Efficiency of Material Injection into the Reflex Discharge by Sputtering the Cathode Material”. Ukrainian Journal of Physics 57, no. 9 (September 30, 2012): 901. Accessed May 13, 2025. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021185.