00465naa#a2200157#i#450# EN\\bibl\46953 20251219051056.5 1681-1208 20080425b2008####ek#y0engy0150####ca RU Ancient biosphere: The origin, trends and events Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2008 8 с. Journal article local Fedonkin M A www.rjes.ru