Kapusta, Juraj http://orcid.org/0000-0002-2575-8550
Petrovič, František http://orcid.org/0000-0002-2364-3610
Hreško, Juraj http://orcid.org/0000-0002-4486-5781
Article History
Received: 5 March 2018
Revised: 16 August 2018
Accepted: 11 September 2018
First Online: 11 October 2018