WITTS, D. Review of Urs Peter Schneider. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 19, 1978. DOI: 10.25602/GOLD.cj.v0i19.1113. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal19_p22-26. Acesso em: 19 apr. 2024.