@article{Vahrusheva2020comfort,
author={Vahrusheva, D.I. and Petrova, L.A.},
title={Comfort and cost when transporting passengers  by rail: world experience},
journal={Journal of Natural Sciences Research},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={27-31},
volume={5},
issue={2},
}