Authors
Leszek Wysocki
Wroclaw University of Technology: Politechnika Wroclawska, Wroclaw, Poland
Cezary Madryas
Wroclaw University of Technology: Politechnika Wroclawska, Wroclaw, Poland
Jacek Grosel
Wroclaw University of Technology: Politechnika Wroclawska, Wroclaw, Poland