LAYCOCK, J. Report on Spectro Arts Workshop Music. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 19, 1978. DOI: 10.25602/GOLD.cj.v0i19.1123. Disponível em: https://goldojs-prod.leaf.cosector.com/index.php/contactjournal/article/view/contactjournal19_p39-40. Acesso em: 22 nov. 2024.