M. TAJCHERT, “A geometrical-numerical method for the determination of the acoustic field properties related to the directions of reflected waves”, Arch. Acoust., vol. 7, no. 3-4, pp. 173–182, Mar. 2016, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3280