Columbia subject headings:
Harvard subject headings:
Electric utilities--Austria--History.
Hydroelectric power plants--Design and construction
Hydroelectric power plants--Economic aspects--Austria--History.
Hydroelectric power plants--Political aspects--Austria--History.
Hydroelectric power plants--Social aspects--Austria--History.
Nuclear power plants--Austria--History.
Princeton subject headings:
Hydroelectric power plants--Economic aspects--Austria.
Hydroelectric power plants--Social aspects--Austria.
Power-plants--Economic aspects.
Power-plants--Social aspects.