1. Salin, V.N., Narbut, V.V., and Shpakovskaya, E.P., The conjuncture of the world steel market: Economic and statistical analysis, Prob. Econ. Leg. Pract., 2020, vol. 16, no. 1, pp. 72–81.
2. Koshekov, K.T., Klikushin, Yu.N., Kashevkin, A.A., Latypov, S.I., Sof’ina, N.N., Savostina, G.V., and Koshekov, A.K., An intelligent system for vibrodiagnostics of oil and gas equipment, Russ. J. Nondestr. Test., 2018, vol. 54, no. 4, pp. 249–259.
3. Koshekov, K.T., Savostin, A.A., Kashevkin, A.A., Klikushin, Y.N., Kobenko, V.Y., and Sof’ina, N.N., Testing a pump unit by identification measurements of vibration signals, Russ. J. Nondestr. Test., 2016, vol. 52, no. 5, pp. 280–286.
4. Kostyukov, A.V., Shchelkanov, A.V., and Burda, E.A., Complex automated diagnostics of dynamic equipment, 7th Int. Sci. Tech. Conf. Oil Gas Eng., Omsk, 2017, pp. 181–182.
5. Krivosheev, I.A. and Shamurina, A.I., Acoustic control of formed discontinuities in a solid sample, Defektoskopiya, 2017, no. 8, pp. 29–34.