Shklovski, J., K. Janson, and T. Sakkos. “Natural Mode Constant Power Source for Manual Arc Welding”. Elektronika ir Elektrotechnika 18, no. 9 (November 9, 2012): 31-34. Accessed April 24, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/2801.