Panchuk, V. H., R. T. Karpyk, and N. O. Kostiuk. “The Research for the Influence of Properties of Punch Material on Performance and Productivity of Cold Sheet Stamping”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, no. 1(50) (June 27, 2021): 16–25. Accessed November 11, 2026. https://nv.nung.edu.ua/index.php/nv/article/view/749.