KWIATKOWSKI, Rafał, Edward HOJAN, Witold SZYFTER, Anna FURMANN, and Dorota HOJAN-JEZIERSKA. 2008. “Perception of Fast Time Fluctuations in the Sound Level by Persons With a Cochlear Implant”. Archives of Acoustics 33 (4): 423–434. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/540.