Drgas, Szymon, and Magdalena Błaszak. “Perceptual Consequences of Change in Vocoded Speech Parameters for Various Reverberation Conditions”. Archives of Acoustics, vol. 32, no. 4(S), Jan. 2014, pp. 325-30, https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1428.