Piotrowiak, A., O. Ciszak, M. Mroczyk, and M. Jacków. “Construction of the Gripper With Strength Control in Real-Time”. Technologia I Automatyzacja Montażu (Assembly Techniques and Technologies), Vol. 94, no. 4, Dec. 2016, pp. 10-13, https://journals.prz.edu.pl./tiam/article/view/1136.