WEAKLAND, R. G. Sister Mary Joachim Holthaus, O.S.B.: Beneventan notation in the Vatican manuscripts. Current Musicology, [S. l.], n. 2, p. 210, 2019. DOI: 10.7916/cm.v0i2.3645. Disponível em: https://journals.library.columbia.edu/index.php/currentmusicology/article/view/3645. Acesso em: 18 jul. 2024.