Ružić, J., M. Vilotijević, D. Božić, and K. Raić. “Understanding Plasma Spraying Process and Characteristics of DC-Arc Plasma Gun (PJ-100)”. Metallurgical and Materials Engineering, vol. 18, no. 4, Dec. 2012, pp. 273-82, https://metall-mater-eng.com/index.php/home/article/view/203.