Stingaci, Ion. “Establishing the Optimum Structures of Technological Processing of Machine Tools for the Machining Center”. Journal of Mechanical and Energy Engineering 1, no. 2 (November 1, 2017): 135-140. Accessed January 27, 2021. https://jmee.tu.koszalin.pl/ojs/index.php/jmee/article/view/30.