Nettheim, Nigel. “A New Derivation Shows Schubert Learning Thematic Work from a Beethoven Sonata”. Vortex Music Journal 10, no. 2 (October 13, 2022): 1–21. Accessed October 12, 2026. https://periodicos-hml.unespar.edu.br/vortex/article/view/7098.