BRANDENBURG, Sieghard. Beethovens Skizzen. Probleme der Edition . Die Musikforschung, [S. l.], v. 44, n. 4, p. 346–355, 2021. DOI: 10.52412/mf.1991.H4.1250. Disponível em: https://mf.journals.qucosa.de/mf/article/view/1250. Acesso em: 26 nov. 2024.