SIERADZ, M. ’Witold Lutosławski. Correspondence with his Western Publishers and Managers. 1966–1994’, ed. Zbigniew Skowron, vol. 1–2, Kraków 2018. Muzyka, [S. l.], v. 66, n. 4, p. 148–154, 2021. DOI: 10.36744/m.1079. Disponível em: https://czasopisma.ispan.pl/index.php/m/article/view/1079. Acesso em: 15 nov. 2026.