About this article
Published Online: Oct 08, 2019
Page range: 487 - 494
Received: May 07, 2019
Accepted: May 24, 2019
DOI: https://doi.org/10.2478/cqpi-2019-0066
Keywords
© 2019 Maciej D. Sobociński, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Sobociński, Maciej D.
Czestochowa University of TechnologyPoland