@article{Tyasto2015variations,
author={Tyasto, M.I. and Danilova, O.A. and Ptitsyna, N.G. and Sdobnov, V.E.},
title={Variations in cosmic ray cutoff rigidities during the greatgeomagnetic storm of November 2004},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2015},
pages={97-105},
volume={1},
issue={2},
}