EMMERSON, S. Review of Karlheinz Stockhausen: Nr. 17, Mikrophonie II. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 12, 1975. DOI: 10.25602/GOLD.cj.v0i12.977. Disponível em: https://bjmh.gold.ac.uk/index.php/contactjournal/article/view/contactjournal12_p39-40. Acesso em: 21 may. 2024.