http://www.hydroquebec.com/sustainable-development/documentation/pdf/options_energetiques/rendement_investissement.pdf
http://www.sciencedirect.com/science/article/pii/0360544281900943
http://www.justmeans.com/Pushing-Limits-of-Sustainability-in-Norway/803.htm
http://www.ieahydro.org/What_does_hydropower_cost.html
http://www.whyhydropower.com/HydroTour3b.html
TEXTBOOK!
http://www.sciencedirect.com/science/article/pii/0360544281900943
http://www.justmeans.com/Pushing-Limits-of-Sustainability-in-Norway/803.htm
http://www.ieahydro.org/What_does_hydropower_cost.html
http://www.whyhydropower.com/HydroTour3b.html
TEXTBOOK!