CASKEN, J. Transition and Transformation in the Music of Witold Lutoslawski. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 12, 1975. DOI: 10.25602/GOLD.cj.v0i12.971. Disponível em: https://ojs.gold.ac.uk/index.php/contactjournal/article/view/contactjournal12_p3-12. Acesso em: 21 nov. 2024.