Konar, R., Mician, M., Mesko, J. and Sventek, M. (2015) “Identification of Lack of Fusion and Penetration in Circumferential Fillet Weld by Phased Array Ultrasonic Method in Gas Industry”, Communications - Scientific letters of the University of Zilina, 17(3), pp. 98-102. Available at: http://journals.uniza.sk/index.php/communications/article/view/455 (Accessed: 6April2026).