About this article
Published Online: Sep 02, 2014
Page range: 437 - 442
DOI: https://doi.org/10.2478/jos-2014-0027
© by Paul Biemer
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Paul Biemer
Dennis Trewin
Heather Bergdahl
Lilli Japec