© Harald Hornmoen and Klas Backholm. Published by Emerald Publishing
Limited. This article is published under the Creative Commons Attribution (CC BY
4.0) licence. Anyone may reproduce, distribute, translate and create derivative works
of this article (for both commercial and non-commercial purposes), subject to full
attribution to the original publication and authors. The full terms of this licence may
be seen at http://creativecommons.org/licences/by/4.0/legalcode
Med mindre annet er angitt, så er denne innførselen lisensiert som © Harald Hornmoen and Klas Backholm. Published by Emerald Publishing Limited. This article is published under the Creative Commons Attribution (CC BY 4.0) licence. Anyone may reproduce, distribute, translate and create derivative works of this article (for both commercial and non-commercial purposes), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode