HERMAN, Krzysztof, Tadeusz GUDRA, and Joanna FURMANKIEWICZ. “Digital Signal Processing Approach in Air Coupled Ultrasound Time Domain Beamforming”. Archives of Acoustics 39, no. 1 (March 31, 2014): 37–50. Accessed March 1, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/1480.