SNAKOWSKA, A. and IDCZAK, H. (1997) “Theoretical and experimental analysis of the band noise radiated from a hard-walled cylindrical duct”, Archives of Acoustics, 22(4), pp. 397–410. Available at: https://acoustics.ippt.gov.pl/index.php/aa/article/view/964 (Accessed: 4 March 2026).