COWIE, L. B. Contemporary String Technique. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 2, 1971. DOI: 10.25602/GOLD.cj.v0i2.854. Disponível em: https://bjmh.gold.ac.uk/index.php/contactjournal/article/view/contactjournal02_p23-25. Acesso em: 3 jul. 2024.