Grabas, Kazimierz
Pawełczyk, Adam http://orcid.org/0000-0002-5025-6122
Stręk, Wiesław http://orcid.org/0000-0002-5063-5317
Szełęg, Eligiusz http://orcid.org/0000-0003-0133-1410
Stręk, Sven
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (0401/0200/17)
Article History
Received: 2 November 2017
Accepted: 2 May 2018
First Online: 11 May 2018