Published Online: Apr 26, 2018
Page range: i - i
DOI: https://doi.org/10.2478/helm-2018-0013
© 2018 Marta Lišková et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Marta Lišková
Zuzana Vasilková