Skakun, Plavka, Miroslav Plančak, Igor Kačmarčik, Aljoša Ivanišević, Dejan Movrin, Mladomir Milutinović, and Dragiša Vilotić. 2015. “One Innovative Method for Load Reduction in Cold Extrusion of Gear-Like Elements”. Advanced Technologies and Materials 40 (1):57-64. https://atm-journal.uns.ac.rs/index.php/atm/article/view/JTP.2015.40.1.6.