Heiden, Noland R (1952). Odda and Rjukan: Two Industrialized Areas of Norway. Annals of the Association of American Geographers. 42 (2): 109—128. doi:10.1080/00045605209352058. JSTOR2560975.
jstor.org
Heiden, Noland R (1952). Odda and Rjukan: Two Industrialized Areas of Norway. Annals of the Association of American Geographers. 42 (2): 109—128. doi:10.1080/00045605209352058. JSTOR2560975.