Columbia subject headings:
Research--Economic aspects--Russia (Federation)--Saint Petersburg.
Saint Petersburg (Russia)--Economic conditions.
Technological innovations--Russia (Federation)--Saint Petersburg.
Harvard subject headings:
Research--Economic aspects--Russia (Federation)--Saint Petersburg.
Saint Petersburg (Russia)--Economic conditions.
Technological innovations--Russia (Federation)--Saint Petersburg.
Princeton subject headings:
Research--Economic aspects--Russia (Federation)--Saint Petersburg.
Saint Petersburg (Russia)--Economic conditions.
Technological innovations--Russia (Federation)--Saint Petersburg.