Beznarytnyy, A. M., and V. I. Gavrilyuk. “Analysis of Existing and Prospective Technical Control Systems of Numeric Codes Automatic Blocking”. Science and Transport Progress , no. 5(47) (October 25, 2013): 7–15. Accessed May 2, 2024. https://stp.ust.edu.ua/article/view/17961.