Wiciak, Jerzy, and Andrzej Uchryński. “The 53rd Open Seminar on Acoustics OSA 06”. Archives of Acoustics 31, no. 3 (September 30, 2006): 351–401. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/680.