R. Salamon, E. Kozaczka, and G. Grelowska, “58th Open Seminar on Acoustics joined with 2nd Polish-German Structured Conference on Acoustics”, Arch. Acoust., vol. 36, no. 3, pp. 643–676, Sep. 2011, Accessed: Apr. 18, 2026. [Online]. Available: http://acoustics.ippt.gov.pl/index.php/aa/article/view/170