About this article
Published Online: Dec 22, 2018
Page range: 363 - 376
DOI: https://doi.org/10.2478/mgrsd-1988-030146
Keywords
© 2018 Piotr Dutkiewicz, Gavin Williams, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Dutkiewicz, Piotr
Williams, Gavin