Autori:
1. Milentije Stefanović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
2. Zvonko Gulisija, Institut za tehnologiju nuklearnih i drugih mineralnih sirovina, Serbia
3. Vesna Mandić Mandić, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
4. Srbislav Aleksandrovic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
5. Aleksandra Patarić, ITNMS, Serbia