Bracefield, Hilary. “Review of 1972/01/29 Concert at Birmingham and Midland Institute. The Chasm: Judith Jones (soprano), Simon Desorgher (flute), Peter Lawson (piano)”. Contact: A Journal for Contemporary Music (1971-1990)0, no. 4 (March 1, 1972). Accessed December 7, 2021. https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal04_p28-29.