@article{Kudryashov2019express,
author={Kudryashov, V.I. and Moroz, A.P. and Serebryakov, A.S. and Mashovets, Y.I.},
title={Express Assessment of Coal Quality using Domestic X-ray Spectral Analyzer},
journal={NDT World},
publisher={LLC SVEN},
year={2019},
pages={64-66},
volume={22},
issue={4},
}