@article{Vyachyeslav M.2016ultrasonic,
author={Vyachyeslav M., P.M. and Fatyukhin, D.S.},
title={Ultrasonic techniques at current stage of mechanical engineering  development},
journal={Science intensive technologies in mechanical engineering},
publisher={Bryansk State Technical University},
year={2016},
pages={37-42},
volume={1},
issue={8},
}