Davidsen, Jan G.
Eikås, Linda
Hedger, Richard D.
Thorstad, Eva B.
Rønning, Lars
Sjursen, Aslak D.
Berg, Ole K.
Bremset, Gunnbjørn
Karlsson, Sten
Sundt-Hansen, Line E.
Funding for this research was provided by:
Nord-Trøndelag Energi selskap
Article History
Received: 2 January 2020
Revised: 1 April 2020
Accepted: 3 April 2020
First Online: 18 April 2020