E. B. SKRODZKA, B. B. LINDE, and A. KRUPA, “Modal Parameters of Two Violins with Different Varnish Layers and Subjective Evaluation of Their Sound Quality”, Arch. Acoust., vol. 38, no. 1, pp. 75–81, Jul. 2013, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/9