PAWŁOWSKI, Zygmunt, and Marek ŻÓŁTOWSKI. “The Characteristics of the Phenomenon of Initiation (sound Intonation) in Playing the Wind Instruments”. Archives of Acoustics 10, no. 3 (July 10, 2015): 229–240. Accessed June 21, 2025. https://acoustics.ippt.pan.pl/index.php/aa/article/view/3159.