00561naa#a2200193#i#450# EN\\bibl\47024 20241127102130.3 1681-1208 20041225b2004####ek#y0engy0150####ca RU Large magnetic anomalies over Russia revealed by balloon data Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2004 3 с. Journal article local Nazarova K A Tsvetkov Yu Heirtzler J Sabaka T rjes.ru