@article{Velichko2018radiographic,
author={Velichko, V.Y.},
title={Radiographic Image Quality Parameters for Welded Joints According to New Standards GOST ISO 17636-1,2-2017},
journal={NDT World},
publisher={LLC SVEN},
year={2018},
pages={46-55},
volume={21},
issue={3},
}