Lengerov, Angel, Galina Nikolcheva, Julieta Kaleycheva, and Lyubomir Lazov. “COMPUTER CONTROL THE ACCURACY OF THE PARTS PROCESSED ON CNC MACHINE TOOLS BASED ON STATISTICAL PROCESS CONTROL”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 15, 2017): 179–182. Accessed May 5, 2024. https://journals.ru.lv/index.php/ETR/article/view/2623.