HENNENBERG, F. Who Follows Eisler? Notes on Six Composers of the GDR. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 24, 1982. DOI: 10.25602/GOLD.cj.v0i24.1193. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal24_p8-10. Acesso em: 27 sep. 2023.