Halaj, Elzbieta http://orcid.org/0000-0002-2411-3865
Kepinska, Beata
Funding for this research was provided by:
Akademia Górniczo-Hutnicza im. Stanislawa Staszica (11.11.140.704)
Article History
Received: 22 January 2018
Accepted: 14 September 2018
First Online: 26 September 2018