About this article
Published Online: Nov 25, 2018
Page range: 209 - 212
DOI: https://doi.org/10.2478/mgrsd-2002-0023
Keywords
© 2002 Dobiesław Jędrzejczyk, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Jędrzejczyk, Dobiesław