Калиниченко, А. И., С. С. Перепёлкин, and В. Е. Стрельницкий. 2017. “Influence of Incident Angle of Ion Beam on Intrinsic Stress in Deposited Coating”. Journal of Surface Physics and Engineering 1 (4), 338-45. https://periodicals.karazin.ua/pse/article/view/8351.