Perrin, Glyn. “Mauricio Kagel: Filmed Music/Composed Film”. Contact: A Journal for Contemporary Music (1971-1990), no. 23 (December 1, 1981). Accessed November 24, 2024. https://gold07a0101.cs.ulcc.ac.uk/index.php/contactjournal/article/view/contactjournal23_p10-15.