JASSEM, Wiktor, Danuta GEMBIAK, and Andrzej DYCZKOWSKI. “Computer-Aided Recognition of Polish Vowels in Continuous Speech”. Archives of Acoustics 4, no. 1 (March 7, 2016): 39–54. Accessed April 29, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3355.