SZOKA, Marta. George Crumb - between reflection upon nature and contemplating it. Interdisciplinary Studies in Musicology, [S. l.], v. 8, p. 203–216, 2018. Disponível em: https://pressto.amu.edu.pl/index.php/ism/article/view/14914. Acesso em: 19 sty. 2026.