FEDERHOFER, H. The Relationship between the Particular and the General in Beethoven’s Piano Sonatas. Musicological Annual, [S. l.], v. 7, n. 1, p. 20–29, 1971. DOI: 10.4312/mz.7.1.20-29. Disponível em: https://revije.ff.uni-lj.si/MuzikoloskiZbornik/article/view/4756. Acesso em: 19 jun. 2021.