Persky, Stanley. “A Discussion of Compositional Choices in Webern’s ‘Fünf Sätze für Streichquartett,’ Op. 5, First Movement”. Current Musicology, no. 13 (December 24, 2019): 68–74. Accessed June 30, 2024. https://journals.library.columbia.edu/index.php/currentmusicology/article/view/4258.