About this article
Published Online: Feb 06, 2015
Page range: 189 - 196
DOI: https://doi.org/10.2478/ep-2014-0013
© 2015
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Marek Lesniak
Faculty of Law and Administration University of Silesia in Katowice Katowice Poland