@article{Sobolev2007using,
author={Sobolev, G.A. and Lyubushin, A.A.},
title={Using modern seismological data to reveal earthquake precursors},
journal={Russian Journal of Earth Sciences},
publisher={Geophysical Center of the Russian Academy of Sciences},
year={2007},
pages={1-17},
volume={9},
issue={2},
}