Pater, Zbigniew, and Jan Kazanecki. “THERMO-MECHANICAL ANALYSIS OF PIERCING PLUG LOADS IN THE SKEW ROLLING PROCESS OF THICK-WALLED TUBE SHELL”. Metallurgy and Foundry Engineering 32, no. 1 (June 30, 2006): 31. Accessed May 7, 2024. https://journals.agh.edu.pl/mafe/article/view/313.