HELM, E. Notas del extranjero: Festival Liszt-Bartok en Budapest. Revista Musical Chilena, [S. l.], v. 16, n. 80, p. p. 79–80, 1962. Disponível em: https://rchdt.uchile.cl/index.php/RMCH/article/view/13870. Acesso em: 22 abr. 2024.