"Taming the waterfalls". Rjukan/Notodden and Odda/Tyssedal industrial heritage sites. Hydro electric power and chemical industry in the Norwegian Counties of Telemark and Hordaland (English ed.)
Föhl, Axel,Höhmann, Rolf. "Taming the waterfalls". Rjukan/Notodden and Odda/Tyssedal industrial heritage sites. Hydro electric power and chemical industry in the Norwegian Counties of Telemark and Hordaland (English ed.). 2010-01-01.