Woolsthanholm, Bryan. “Report by Bryan Woolstanholm on the Performance of Eddie Prévost’s ‘Spirals’, Roundhouse, London, March 2”. Contact: A Journal for Contemporary Music (1971-1990), no. 6 (March 1, 1973). Accessed June 15, 2024. https://bjmh.gold.ac.uk/index.php/contactjournal/article/view/contactjournal06_p40-41.