1.
Skrzypczyk J, Winkler-Skalna A. Sound wave propagation problems new perturbation methodology. Arch. Acoust. [Internet]. 2006 Jan. 31 [cited 2026 Mar. 4];31(4(S):115-21. Available from: https://acoustics.ippt.gov.pl/index.php/aa/article/view/1331