APPEL, Bernhard R. Christopher Simpsons Systematik der Divisionsverfahren (1667) . Die Musikforschung, [S. l.], v. 35, n. 3, p. 223–234, 1982. DOI: 10.52412/mf.1982.H3.1601. Disponível em: https://mf.publia.org/mf/article/view/1601. Acesso em: 29 mai. 2026.