Буряк, А., and В. Буряк. “Scientific Grounds for Assessment of Work of Cutting Tools on the Analysis of Acoustic Characteristics of the Manufactured and Instrumental Materials”. Problems of Tribology, vol. 74, no. 4, June 2015, pp. 23-30, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/403.