SUPIČIĆ, I. Formalism and Expressionism in the Aesthetics of European Music. Musicological Annual, [S. l.], v. 3, n. 1, p. 95–104, 1967. DOI: 10.4312/mz.3.1.95-104. Disponível em: https://journals.uni-lj.si/MuzikoloskiZbornik/article/view/4496. Acesso em: 1 feb. 2023.