@article{Kushnarenko2015long-term,
author={Kushnarenko, G.P. and Yakovleva, O.E. and Kuznetsova, G.M.},
title={Long-term variations in the neutral gas composition of the termosphere above Irkutsk},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2015},
pages={30-34},
volume={1},
issue={4},
}