JEFFREYS, Catherine. Johannes de Grocheio, the Ars musice and the Transformation of Chant Theory in the Late Thirteenth Century. Journal of Music Research Online, [S. l.], v. 9, 2022. Disponível em: https://www2.jmro.org.au/index.php/main/article/view/31. Acesso em: 19 sep. 2024.