CZYŻ, H.; SNAKOWSKA, A. Professor Roman Wyrzykowski on the occasion of the 75th birthday and the 50th anniversary of scientific activity. Archives of Acoustics, [S. l.], v. 22, n. 4, p. 375–382, 1997. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/962. Acesso em: 18 apr. 2026.