Hałdaś, Grzegorz
Kolek, Andrzej
Pierścińska, Dorota
Gutowski, Piotr
Pierściński, Kamil
Karbownik, Piotr
Bugajski, Maciej
Funding for this research was provided by:
Polish Ministry of Science and Higher Education (Rzeszow University of Technology grant no. U-596/DS)
National Science Center NCN (2013/09/D/ST7/03966, 2015/17/N/ST7/03936)