00531naa#a2200169#i#450# EN\\bibl\46927 20240507104321.2 1681-1208 20091225b2009####ek#y0engy0150####ca RU Geoinformation technologies of geomagnetic observations in Borok Geophysical Observatory Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2009 3 с. Journal article local Anisimov S V Dmitriev E M rjes.ru