Columbia subject headings:
Gas industry--Russia (Federation)--Siberia.
Natural resources--Russia (Federation)--Siberia--Mathematical models.
Petroleum industry and trade--Russia (Federation)--Siberia.
Harvard subject headings:
Energy policy--Russia (Federation)--Siberia.
Natural gas--Russia (Federation)--Siberia.
Petroleum--Russia (Federation)--Siberia.
Princeton subject headings: