Columbia subject headings:
Borings--Russia (Federation)--Kola Peninsula.
Geochemistry--Russia (Federation)--Kola Peninsula.
Geology, Stratigraphic--Precambrian.
Geology--Russia (Federation)--Kola Peninsula.
Harvard subject headings:
Borings--Russia (Federation)--Kola Peninsula.
Geochemistry--Russia (Federation)--Kola Peninsula.
Geology, Stratigraphic--Precambrian
Geology--Russia (Federation)--Kola Peninsula
Princeton subject headings: