BAILEY, K. The Evolution of Variation Form in the Music of Webern. Current Musicology, [S. l.], n. 16, p. 55–70, 2019. DOI: 10.7916/cm.v0i16.4330. Disponível em: https://journals.library.columbia.edu/index.php/currentmusicology/article/view/4330. Acesso em: 17 may. 2024.