Muravyev В. В., Muravyeva О. В., Bayteryakov А. В., and Dedov А. И. “Method for Determination of Acoustic Structural Noise of Metal”. Intellekt. Sist. Proizv., no. 1, Mar. 2013, pp. 143-8, https://izdat.istu.ru/index.php/ISM/article/view/1749.