J. BUTKUS, L. JAKEVIČIUS, and O. TUMŠYS, “An acoustic method of determination of leakage coordinates in gas pipelines”, Arch. Acoust., vol. 23, no. 4, pp. 533–540, May 2014, Accessed: Jun. 11, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1046