@article{Berkutov2015about,
author={Berkutov, I.. and Bychenok, V.. and Mayorov, A..},
title={About Ultrasonic Inspection of Work Pieces and Products from Carbon-Carbon Composite Materials},
journal={NDT World},
publisher={LLC SVEN},
year={2015},
pages={20-23},
volume={19},
issue={4},
}