TY JOUR TI Heliolatitude regularities of magnetically disturbed days with daily average geomagnetic index Dst<–100 nT KW geomagnetic Dst index KW geomagnetic storm KW seasonal variation of magnetic activity KW Earth’s heliolatitude JO Solar-Terrestrial Physics AU Makarov, G.A. PY 2018 IS 4 PB INFRA-M Academic Publishing LLC.