KACZMAREK, A., A. CZYŻEWSKI, and B. KOSTEK. “Investigating Polynomial Approximations for the Spectra of the Pipe Organ Sound”. Archives of Acoustics 24, no. 1 (March 31, 2004): 3–24. Accessed April 25, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/889.