Zaporozhets А.І., Tokarev V.І., Hufenbaсh Werner, Shtefen Marburg, Olaf Taeger, Nils Modler, and Martin Dannemann. “Modeling of Sound Radiation by a Beam”. Proceedings of National Aviation University 25, no. 3 (March 1, 2005): 160–163. Accessed May 3, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1185.