Jaskólski, Piotr, and Krzysztof Nadolny. “Characteristic of Didactic Modular Production Systems”. Journal of Mechanical and Energy Engineering 2, no. 4 (December 21, 2018): 263-268. Accessed October 3, 2022. https://jmee.tu.koszalin.pl/ojs/index.php/jmee/article/view/88.