00785naa#a2200205#i#450# EN\INFRA-M\bibl\39466 20231206072521.3 2500-0535 20200922b2020####ek#y0engy0150####ca ENG 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 13 с. Journal article local Геология. Геологические и геофизические науки. 55 ENG Moiseev Aleksey Vladimirovich Starodubtsev Sergei Anatolyevich Mishin Vladimir Vilenovich naukaru.ru