00557naa#a2200181#i#450# EN\\bibl\47177 20260314133849.6 1681-1208 20110725b2011####ek#y0engy0150####ca RU Geomagnetic observatories of Ukraine in the Global Network INTERMAGNET Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2011 11 с. Journal article local Sumaruk Yu P Starostenko V I Legostaeva O V ras.editorum.ru