Bűrmen, Árpád http://orcid.org/0000-0002-3035-1376
Fajfar, Iztok http://orcid.org/0000-0003-4416-5432
Funding for this research was provided by:
Slovenian Research Agency (P2-0246)
Article History
Received: 20 April 2018
First Online: 23 September 2019