T. ŁĘTOWSKI and A. NABELEK, “Assessment of frequency selectivity with psychoacoustic masking curves”, Arch. Acoust., vol. 20, no. 1, pp. 3–12, Mar. 1995, Accessed: Apr. 15, 2026. [Online]. Available: https://acoustics.ippt.pan.pl/index.php/aa/article/view/1015