Casken, John. “Review of 23rd Warsaw Autumn International Festival of Contemporary Music, September 14-23, 1979”. Contact: A Journal for Contemporary Music (1971-1990), no. 21 (September 1, 1980). Accessed November 23, 2024. https://bjmh.gold.ac.uk/index.php/contactjournal/article/view/contactjournal21_p26-28.