VOJNOVIĆ, Milan, Miomir MIJIĆ, and Dragana ŠUMARAC PAVLOVIĆ. “Transfer Characteristics of Vocal Tract Closed by Mask Cavity”. Archives of Acoustics 43, no. 2 (January 24, 2018): 307–311. Accessed January 13, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/2173.