Kothe, F. ., C. S. . Teixeira, Érico P. G. Felden, and E. A. D. . Merino. “Usability of Violin and Viola Shoulder Rest”. Per Musi, no. 32, Nov. 2015, pp. 1-27, https://periodicos.ufmg.br/index.php/permusi/article/view/38460.