Litwin, Ireneusz
Wysocki, Robert
Funding for this research was provided by:
National Science Centre (2013/11/D/NZ2/02696)
Article History
Received: 2 June 2017
Revised: 12 June 2017
Accepted: 13 June 2017
First Online: 19 June 2017
Compliance with ethical standards
:
: This work was supported by Grant No. 2013/11/D/NZ2/02696 from The National Science Centre, Poland to I.L.
Free to read: This content has been made available to all.