• Eskin D. G. Application of a plate sonotrode to ultrasonic degassing of aluminum melt: Acoustic measurements and feasibility study / D. G. Eskin, K. Al-Helal, I. Tzanakis // Journal of materials processing technology. 2015. Vol. 222. P. 148-154. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000625567