Orton, Richard. “Review of New Music Vocabulary: A Guide to Notational Signs for Contemporary Music by Howard Risatti”. Contact: A Journal for Contemporary Music (1971-1990), no. 14 (September 1, 1976). Accessed November 21, 2024. https://gold07a0101.cs.ulcc.ac.uk/index.php/contactjournal/article/view/contactjournal14_p33.