A. MARKIEWICZ, “Calculation of ultrasonic field distribution radiated by planar transducers”, Arch. Acoust., vol. 9, no. 1-2, pp. 83–94, Jul. 2015, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3198