00674naa#a2200205#i#450# EN\\bibl\46545 20241126143258.2 1681-1208 20201225b2020####ek#y0engy0150####ca ENG RU The role of fluids in the chemical composition of the upper holocene sediment layer in the russian sector of the South-East Baltic Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2020 0 с. Journal article local Krek Alexander Krechik Viktor Danchenkov Aleksandr Mikhnevich Galina rjes.ru