ingeborg.graabak@sintef.no
bjorn.bakken@statnett.no
nicolai.feilberg@sintef.no
© 2014 Ingeborg Graabak, Bjørn Harald Bakken, Nicolai Feilberg, published by Riga Technical UniversityThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.