Edvardsson, S., & Broch, E. (2002). Underground powerhouses and high pressure tunnels. Trondheim: Norwegian University of Science and Technology. Department of Hydraulic and Environmental Engineering.
Παραπομπή Chicago StyleEdvardsson, Sverre, and Einar Broch. Underground Powerhouses and High Pressure Tunnels. Trondheim: Norwegian University of Science and Technology. Department of Hydraulic and Environmental Engineering, 2002.
Παραπομπή MLAEdvardsson, Sverre, and Einar Broch. Underground Powerhouses and High Pressure Tunnels. Trondheim: Norwegian University of Science and Technology. Department of Hydraulic and Environmental Engineering, 2002.
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