Артемьев, Вадим, Валерий Друзь, and Андрей Ефременко. “Method of Non-Contact Remote Determination of the Current Functional State of the Athlete”. Slobozhanskyi Herald of Science and Sport, no. 1(75) (February 29, 2020): 86–92. Accessed July 18, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/197938.