Published Online: Jul 19, 2014
Page range: 4 - 5
DOI: https://doi.org/10.2478/gfkmir-2014-0043
© 2014
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Hermann Diller
GfK-MIR, University of Erlangen- Nuremberg, Lange Gasse 20, D-90403 Nuremberg, Germany