Jurkowska, Agata
Barski, Marcin
Funding for this research was provided by:
Akademia Górniczo-Hutnicza im. Stanislawa Staszica (DS: 11.11.140.626))
Uniwersytet Warszawski
Article History
Received: 28 February 2017
Accepted: 11 August 2017
First Online: 1 September 2017