Kovtun Ю.В., Skibenko Є.І., Skibenko А.І., and Yuferov В.Б. “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 November 24, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021185.