HOLTSTRÄTER, Knut. Björn Heile: The Music of Mauricio Kagel. Die Musikforschung, [S. l.], v. 61, n. 4, p. 418–419, 2008. DOI: 10.52412/mf.2008.H4.4404. Disponível em: https://mf.journals.qucosa.de/mf/article/view/4404. Acesso em: 11 mai. 2025.