HEATON, R. Review of 30th Internationale Ferienkurse für Neue Musik. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 22, 1981. DOI: 10.25602/GOLD.cj.v0i22.1170. Disponível em: https://ojs.gold.ac.uk/index.php/contactjournal/article/view/contactjournal22_p33-36. Acesso em: 22 nov. 2024.