Zambrzycki, Marcel http://orcid.org/0000-0002-7941-426X
Fraczek-Szczypta, Aneta http://orcid.org/0000-0002-2055-1489
Funding for this research was provided by:
Akademia Górniczo-Hutnicza im. Stanislawa Staszica (11.11.160.616.)
Article History
Received: 10 November 2017
Accepted: 22 January 2018
First Online: 2 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.