Grygorowicz, Tomasz
Strużyńska, Lidia
Funding for this research was provided by:
Polish National Science Centre (DEC-2012/05/N/NZ4/02191)
Polish Ministry of Science and Higher Education (statutable funds)
Article History
Received: 2 July 2018
Accepted: 1 September 2018
First Online: 12 September 2018