@article{Guglielmi2017north-south,
author={Guglielmi, A.V. and Klain, B.I. and Potapov, A.S.},
title={North-south asymmetry of ultra-low-frequency oscillations of Earth’s electromagnetic field},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2017},
pages={27-33},
volume={3},
issue={4},
}