GROTJAHN, Rebecca. Meditationen, Geheimnisse, Zufälle: Messiaens Konzept der langage communicable. European Journal of Musicology, Bern, v. 5, 2002. DOI: 10.5450/ejm.2002.5.6126. Disponível em: https://bop.unibe.ch/EJM/article/view/6126. Acesso em: 12 mar. 2025.