Columbia subject headings:
Harvard subject headings:
Energy consumption--European Union countries--Statistics--Periodicals.
Energy industries--European Union countries--Statistics--Periodicals.
Industrial productivity--European Union countries--Statistics--Periodicals.
Industrial statistics--European Union countries--Periodicals.
Princeton subject headings:
Energy consumption--European Union countries--Statistics--Periodicals.
Energy industries--European Union countries--Statistics--Periodicals.
Industrial productivity--European Union countries--Statistics--Periodicals.
Industries--European Union countries--Statistics--Periodicals.
Periodicals.
Statistics.