cihal@szm.cz
fialova.lucie92@gmail.com
vitezslav.plasek@osu.cz
© 2020 Lukáš Číhal, Lucie Fialová, Vítězslav Plášek, published by Silesian Museum in OpavaThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.