1. Technical University of Zvolen; Faculty of Wood Sciences and Technology; T. G. Masaryka 24 96053 Zvolen Slovakia
2. VŠB - Technical University of Ostrava; Faculty of Metallurgy and Material Engineering, 17.; Listopadu 15/2172 70833 Ostrava Czech Republic
3. VŠB - Technical University of Ostrava; Faculty of Mining and Geology, Institute of Physics; 17. Listopadu 15/2172 70833 Ostrava Czech Republic
4. Alexander Dubček University of Trenčín; Faculty of Industrial Technologies; I. Krasku 491/30 020 01 Púchov Slovakia
5. VŠB - Technical University of Ostrava; Regional Materials Science and Technology Centre; 17. Listopadu 15/2172 70833 Ostrava Czech Republic
6. VŠB - Technical University of Ostrava; Institute of Clean Technologies for Mining and Utilization of Raw Materials for Energy Use; 17. Listopadu 15/2172 70833 Ostrava Czech Republic