Filonenko, Sergiy, Oleksandr Kosmach, and Tetyana Kositskaya. “ACOUSTIC EMISSION AT CHANGE OF CONTACT INTERACTION AREA OF FRICTION UNIT OF COMPOSITE MATERIAL”. Proceedings of National Aviation University (archive) 57, no. 4 (January 21, 2014): 78–86. Accessed April 12, 2026. http://jrnl.nau.edu.ua/index.php/visnik/article/view/5557.