Konar R, Mician M, Mesko J, Sventek M. Identification of Lack of Fusion and Penetration in Circumferential Fillet Weld by Phased Array Ultrasonic Method in Gas Industry. Communications [Internet]. 2015Aug.31 [cited 2026Apr.6];17(3):98-102. Available from: http://journals.uniza.sk/index.php/communications/article/view/455