Machnicka, Alicja
Grübel, Klaudiusz http://orcid.org/0000-0002-0787-9324
Wacławek, Stanisław
Sikora, Krzysztof
Funding for this research was provided by:
University of Bielsko-Biala
Article History
Received: 8 April 2019
Accepted: 1 July 2019
First Online: 9 July 2019