Doležal, Alenka Jensterle2017-07-112017-07-1120172385-8753https://hdl.handle.net/1808/24725All articles are licensed under a Creative Commons Attribution Non-Commercial 4.0 International License (CC-BY-NC).http://creativecommons.org/licenses/by-nc/4.0/Article10.17161/1808.24725openAccess