Columbia subject headings:
Natural gas--Geology--Russia (Federation)--Siberia.
Petroleum--Geology--Russia (Federation)--Siberia.
Trofimuk, A. A. (Andreĭ Alekseevich), 1911-1999.
Harvard subject headings:
Princeton subject headings:
Natural gas--Geology--Russia (Federation)--Siberia.
Petroleum--Geology--Russia (Federation)--Siberia.
Trofimuk, A. A. (Andreĭ Alekseevich), 1911-