Rdzanek, Witold, and Lucyna Leniowska. “Open Seminar on Acoustics OSA’2007”. Archives of Acoustics 32, no. 4(S) (January 31, 2007): 5–5. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/1381.