@article{Konopelko_2019,
title={The problem of improving the quality of seriously issued certified reference materials of the composition of gas mixtures},
volume={15},
ISSN={2077-1177},
url={http://dx.doi.org/10.20915/2077-1177-2019-15-3-5-13},
DOI={10.20915/2077-1177-2019-15-3-5-13},
number={3},
journal={Reference materials},
publisher={Ural Research Institute of Metrology (UNIIM)},
author={Konopelko,
L. A. and Kolobova,
A. V. and Fatina,
O. V.},
year={2019},
month=nov,
pages={5–13} }