Z. PAWŁOWSKI and M. ŻÓŁTOWSKI, “The characteristics of the phenomenon of initiation (sound intonation) in playing the wind instruments”, Arch. Acoust., vol. 10, no. 3, pp. 229–240, Jul. 2015, Accessed: Apr. 29, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3159