00525naa#a2200157#i#450# EN\\bibl\46894 20240428063427.7 1681-1208 20120125b2012####ek#y0engy0150####ca RU Newly obtained data on He isotopes in mantle xenoliths in basalts from the Vitim Plateau, Eastern Siberia, Russia Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2012 6 с. Journal article local Grachev A F rjes.ru