SMEYERS, D. The Hespos Phenomenon: A Performer’s Point of View. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 33, 1988. DOI: 10.25602/GOLD.cj.v0i33.1297. Disponível em: https://bjmh.gold.ac.uk/index.php/contactjournal/article/view/contactjournal33_p17-19. Acesso em: 27 may. 2024.