Alimov, S., Nikolay Azarenkov, Valentyn Bobkov, I. Okseniuk, A. Skrypnyk, Roman Starovoytov, and Lyudmila Tischenko. 2013. “Deposition of Coatings of Tungsten and Two-Layer Copper-Tungsten Composition”. East European Journal of Physics, no. 1041(2) (February), 116-23. https://periodicals.karazin.ua/eejp/article/view/13520.