HARAJDA, H., W. MIKIEL, P. GABRYELCZYK, and P. FEDYNIUK. “Microstructure of Sound: Formants in the Dynamical Spectra of Violin Sounds”. Archives of Acoustics 18, no. 1 (March 31, 1993): 17–32. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/1128.