Morais, Ronan Gil de, Fernando Martins de Castro Chaib, and Fabio Fonseca de Oliveira. “Historical, Structural and Characteristic Considerations on Iannis Xenakis’s Sixxen Instrument”. Per Musi, no. 37 (May 11, 2018). Accessed May 1, 2024. https://periodicos.ufmg.br/index.php/permusi/article/view/5164.