Do, Anh Tu, and Aleksey Vladimirovich Chernyaev. “The Double-Sided Upsetting of the End Thickenings on Rod Blanks”. Strojniški vestnik - Journal of Mechanical Engineering 70, no. 5-6 (July 2, 2024): 223–230. Accessed December 21, 2024. https://ojs30.sv-jme.eu/index.php/sv-jme/article/view/550.