ASUAR, J. V. En el Umbral de una nueva era musical. Revista Musical Chilena, [S. l.], v. 13, n. 64, p. p. 11–32, 1959. Disponível em: https://revistamusicalchilena.uchile.cl/index.php/RMCH/article/view/12798. Acesso em: 7 abr. 2025.