About this article
Published Online: Jan 30, 2017
Page range: 31 - 46
DOI: https://doi.org/10.1515/nor-2017-0128
Keywords
© 2010 Øyvind Ihlen et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Ihlen, Øyvind
Allern, Sigurd
Thorbjørnsrud, Kjersti
Waldahl, Ragnar