Archives of Acoustics, E. B. 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. 2014, 15 (3-4), 543-548.