Ostromęcka, Małgorzata, Paweł Cegielski, and Andrzej Kolasa. “Influence of Pulse Current Frequency in the TIG Method on Selected Aspects of Heat Supply During Welding of 321 Steel”. Welding Technology Review 90, no. 3 (March 10, 2018). Accessed March 28, 2024. https://pspaw.pl/pspaw/article/view/863.