SCHIFFER, B. Review of Texte Zur Musik 1970-1977, Band 4 by Karlheinz Stockhausen, Ed. Christoph von Blumröder. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 22, 1981. DOI: 10.25602/GOLD.cj.v0i22.1164. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal22_p25-26. Acesso em: 24 apr. 2024.