Jakevicius, L., J. Butkus, and O. Tumsys. “Investigation Singularities of Propagation of Acoustical Noises Generated in Places of Unhermeticy of Pipelines”. Elektronika ir Elektrotechnika 18, no. 5 (October 29, 1998). Accessed March 28, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/16034.