Columbia subject headings:
City planning--Denmark.
Cogeneration of electric power and heat--Denmark--Planning.
Dwellings--Heating and ventilation--Denmark--Planning.
Energy policy--Denmark.
Harvard subject headings:
City planning--Denmark
Cogeneration of electric power and heat--Denmark--Planning.
Dwellings--Heating and ventilation--Denmark--Planning.
Dwellings--Heating and ventilation--Denmark.
Energy policy--Denmark
Princeton subject headings:
City planning--Denmark.
Energy conservation--Denmark.
Energy policy--Denmark.
Heating.