Кондратовець, В. О., and О. М. Сербул. “THE LOITING MEDIUM MOBILE MASS ONE-ROLLER STATIONARY CONTROL SYSTEM NECESSARY ACCURACY LEVEL SECURITY”. METHODS AND DEVICES OF QUALITY CONTROL, no. 1(38), Apr. 2017, pp. 95-102, https://mpky.nung.edu.ua/index.php/mpky/article/view/389.