BARRETT, R. The Notation of Time: A Reply. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 30, 1987. DOI: 10.25602/GOLD.cj.v0i30.1273. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal30_p33-35. Acesso em: 13 apr. 2024.