ZIMMERMANN, Ewald. Probleme der Chopin-Edition . Die Musikforschung, [S. l.], v. 14, n. 2, p. 155–165, 1961. DOI: 10.52412/mf.1961.H2.2438. Disponível em: https://mf.publia.org/mf/article/view/2438. Acesso em: 29 mai. 2026.