© 2019 L. Hrabovský and D. Dluhoš, published by De Gruyter, published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 Public License.
Except where otherwise noted, this item's license is described as © 2019 L. Hrabovský and D. Dluhoš, published by De Gruyter, published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 Public License.