NELSON, K. E. Observations on an early twelfth-century antiphoner fragment at Toledo. Inter-American Music Review, [S. l.], v. 17, n. 1 - 2, p. pp. 17 – 24, 2019. Disponível em: https://revistas.uchile.cl/index.php/IAMR/article/view/53335. Acesso em: 23 jul. 2024.