I. MALECKI, “The Fiftieth Anniversary of the Scientific Work of Prof. Dr. Jerzy Ranachowski”, Arch. Acoust., vol. 23, no. 3, pp. 457–459, May 2014, Accessed: Jan. 17, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/926