TOOP, R. Stockhausen’s Klavierstück VIII. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 28, 1984. DOI: 10.25602/GOLD.cj.v0i28.1247. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal28_p4-19. Acesso em: 19 dec. 2024.