1st meeting of young researches from V4 countries [elektronický zdroj]. 1st ed. Rzeszów : University of Rzeszow, 2016. online [96 s.]. Dostupné na internete: <https://drive.google.com/file/d/0B9wjgUhkhq6vNjJBaVgwZXJQTGM/view?pref=2&pli=1>