VOLANS, K.; BRACEFIELD, H. A Constant State of Surprise: Gerald Barry and The Intelligence Park. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 31, 1987. DOI: 10.25602/GOLD.cj.v0i31.1278. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal31_p9-19. Acesso em: 22 dec. 2024.