Characterization of cosmic rays and direction dependence in the Polar Region up to 88 km altitudeBalázs Zábori, Attila Hirn, Sándor Deme, István Apáthy and Tamás PázmándiJ. Space Weather Space Clim., 6 (2016) A12DOI: https://doi.org/10.1051/swsc/2016006
