1. 1. Bogdanov, O.S. (1983), Ore dressing guide. Nedra, Moscow. in Russian.
2. 2. Bond, L.J., Morra, M., Greenwood, M.S., Bamberger, J.A., Pappas, R.A. (2003), Ultrasonic technologies for advanced process monitoring, measurement, and control, Proceedings of the 20th IEEE Information and Measurement Technology Conference, 2, 1288-1293.
3. 3. Brazhnikov, N.I. (1975), Ultrasonic methods, Energia, Moscow. in Russian.
4. 4. Debarnot, M. Le Letty, R., Lhermet, N. (2006), Ultrasonic NDT based on Lamb waves: Development of a dedicated drive and monitoring electronic, Proceedings of the 3rd EuropeanWorkshop on Structural Health Monitoring, 1207–1213.
5. 5. Derkach, V.G. (1966), Special Methods for Mineral Processing. Nedra, Moscow. in Russian.