Meronk, Błażej, and Krzysztof Wilde. “Diagnostics of Concrete Plate in Bending With Ultrasonic Waves Modulated by Low Frequency Oscillations”. Budownictwo i Architektura 12, no. 1 (March 11, 2013): 243–250. Accessed July 22, 2024. https://ph.pollub.pl/index.php/bia/article/view/2205.