Language: English
Page range: 467 - 478
Submitted on: Jan 29, 2015
|Accepted on: Sep 20, 2015
|Published on: Jul 2, 2016
Published by: University of Zielona Góra
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2016 Krzysztof Siwek, Stanisław Osowski, published by University of Zielona Góra
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.