I. MALECKI, “The output of the fifty years’ scientific activity of Prof. Dr. Jerzy Ranachowski”, Arch. Acoust., vol. 25, no. 1, pp. 5–12, Jan. 2000, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/346