Modern Technologies in Manufacturing (MTeM 2019) : 14th International Conference, 09. - 12. October 2019, Cluj-Napoca, Romania. 1. vyd. United Kingdom : EDP Sciences, 2019. Matec Web of ConferencesVol. 299. Available on Internet: <https://www.matec-conferences.org/articles/matecconf/abs/2019/48/contents/contents.html> ISBN 978-2-7598-9083-5.