MIŚKIEWICZ, Andrzej, Tomira ROGALA, and Joanna SZCZEPAŃSKA–ANTOSIK. 2014. “PERCEIVED ROUGHNESS OF TWO SIMULTANEOUS HARMONIC COMPLEX TONES”. Archives of Acoustics 32 (3): 737–748. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/726.