Columbia subject headings:
Harvard subject headings:
Discrimination--Law and legislation
Discrimination--Law and legislation--European Union countries
Electric power distribution--Europe.
Electric power distribution--European Union countries.
Electric utilities--Law and legislation
Electric utilities--Law and legislation--European Union countries.
Energy industries--Law and legislation--European Union countries
Princeton subject headings:
Discrimination--Law and legislation.
Electric power distribution--Europe.
Electric utilities--Law and legislation.