Джемелінський, В.В. and Лесик, Д.А. 2013. Influence of pulsed laser and ultrasonic energy sources on formation of surface layer of details. Eastern-European Journal of Enterprise Technologies. 2, 5(62) (Apr. 2013), 26–30. DOI:https://doi.org/10.15587/1729-4061.2013.12401.