Columbia subject headings:
Antitrust law--European Union countries.
Energy industries--Law and legislation--European Union countries.
Power resources--Law and legislation--European Union countries.
Harvard subject headings:
Antitrust law--European Union countries
Electric utilities--Government policy--European Union countries.
Electric utilities--Law and legislation--European Union countries.
Energy industries--Law and legislation--European Union countries
Power resources--Law and legislation--European Union countries.
Renewable energy sources--Law and legislation--European Union countries.
Princeton subject headings:
Antitrust law--European Union countries.
Renewable energy sources--Law and legislation--European Union countries.