00784naa#a2200205#i#450# EN\INFRA-M\bibl\28766 20241123231857.6 2712-9640 20200922b2020####ek#y0engy0150####ca RUS RU Features of excitation and azimuthal and meridional propagation of long-period Pi3 oscillations of the geomagnetic field on December 8, 2017 Journal article Moscow INFRA-M Academic Publishing LLC. 2020 16 с. Journal article local Геология. Геологические и геофизические науки. 55 RUS Moiseev Aleksey Vladimirovich Starodubtsev Sergei Anatolyevich Mishin Vladimir Vilenovich zh-szf.ru