About this article
Published Online: Oct 04, 2011
Page range: 7 - 16
DOI: https://doi.org/10.2478/v10208-011-0002-8
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© 2008 G. Gulden et al., published by Versita
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Gulden, G.
Høiland, K.