POTTER, K. Darmstadt 1988. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 34, 1989. DOI: 10.25602/GOLD.cj.v0i34.1307. Disponível em: https://goldojs-prod.leaf.cosector.com/index.php/contactjournal/article/view/contactjournal34_p26-32. Acesso em: 19 sep. 2024.