About this article
Published Online: Jun 24, 2022
Page range: 1 - 6
DOI: https://doi.org/10.2478/host-2022-0001
© 2022 Mikael Hård, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Mikael Hård
Technical University of Darmstadt,
Germany