VETTER, Walther. Gedanken zur musikalischen Biographie . Die Musikforschung, [S. l.], v. 12, n. 2, p. 132–142, 1959. DOI: 10.52412/mf.1959.H2.2514. Disponível em: https://mf.publia.org/mf/article/view/2514. Acesso em: 29 mai. 2026.