BROOKS, W. Review of John Cage Festival, Bonn, June 6-10, 1979. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 22, 1981. DOI: 10.25602/GOLD.cj.v0i22.1168. Disponível em: https://goldojs-prod.leaf.cosector.com/index.php/contactjournal/article/view/contactjournal22_p28-30. Acesso em: 22 nov. 2024.