KATZ, Tomasz, Sławomir MACKIEWICZ, Zbigniew RANACHOWSKI, Zbigniew L. KOWALEWSKI, and Łukasz ANTOLIK. “Ultrasonic Detection of Transversal Cracks in Rail Heads – Theoretical Approach”. Engineering Transactions 69, no. 4 (December 27, 2021): 437–456. Accessed June 13, 2025. https://et3.ippt.pan.pl/index.php/et/article/view/1695.