TY JOUR TI Geomagnetic cutoff rigidity in neutron monitor locations KW geomagnetic field KW geomagnetic cutoff rigidity KW cosmic rays KW neutron monitors JO Solar-Terrestrial Physics AU Kruchinin, P.A. AU Siruk, S.A. AU Mayorov, A.G. AU Malakhov, V.V. AU Aleksandrin, S.Y. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.