Columbia subject headings:
Harvard subject headings:
Energy policy--Environmental aspects--Germany.
Energy policy--Germany
Germany. Erneuerbare-Energien-Gesetz (2000)
Power resources
Power resources--Germany.
Renewable energy sources
Renewable energy sources--Germany.
Princeton subject headings:
Energy policy--Environmental aspects--Germany.
Energy policy--Germany.
Germany. Erneuerbare-Energien-Gesetz (2000)
Power resources--Germany.
Renewable energy sources--Germany.