1. a Technical University of Łódz´, Institute of Polymers, Stefanowskiego 12/16, 90-924 Łódź, Poland
2. b Technical University of Łódź, Branch in Bielsko-Biała, Textile Institute, Willowa 2, 43-300 Bielsko-Biala, Poland
3. c Institute of Nuclear Physics, Radzikowskiego 152, 31-342 Cracow, Poland
4. d Technical University of Łódz´, Branch in Bielsko-Biała, Textile Institute, Willowa 2, 43-300 Bielsko-Biala, Poland