(r) Steen  Steensen.   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 athttp://creativecommons.org/licences/by/4.0/legalcode
Med mindre annet er angitt, så er denne innførselen lisensiert som (r) Steen Steensen. 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 athttp://creativecommons.org/licences/by/4.0/legalcode