TROCHIDIS A, PAPANIKOLAOU G. The use of Helmholtz resonators and panel absorbers in the design of duct silencers. Arch. Acoust. [Internet]. 1993 Sep. 30 [cited 2026 Mar. 18];18(3):435-46. Available from: https://acoustics.ippt.pan.pl/index.php/aa/article/view/1154