Archives of Acoustics EB. In memoriams of Professor Zbigniew Życzkowski (1910-1988), Professor Wiktor Jankowski (1905-1988), Doctor Jerzy Jaroszyński (1923-1989), Professor Stanisław Kossowski (1909-1989). Arch. Acoust. 1990;15(3-4):543-548. Accessed May 30, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/1306