NAKAGAWA, E. Schumann’s Last Piano Work: Geistervariationen. Journal of Urban Culture Research, [S. l.], v. 21, p. 25–37, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/JUCR/article/view/247631. Acesso em: 20 apr. 2024.