[1]
E. OZIMEK, L. JUGOWAR, and L. RUTKOWSKI, “Problem of the instantaneous sound frequency measurement”, Arch. Acoust., vol. 9, no. 4, pp. 325–339, Jul. 2015, Accessed: Jan. 17, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3237