About the Authors
- Srđan Kostić
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* E-mail: srdjan.kostic@rgf.bg.ac.rs (SK); matjaz.perc@uni-mb.si (MP)
Affiliation Department of Geology, University of Belgrade Faculty of Mining and Geology, Belgrade, Serbia
- Matjaž Perc
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* E-mail: srdjan.kostic@rgf.bg.ac.rs (SK); matjaz.perc@uni-mb.si (MP)
Affiliation Department of Physics, Faculty of Natural Science and Mathematics, University of Maribor, Maribor, Slovenia
- Nebojša Vasović
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Affiliation Department of Applied Mathematics, University of Belgrade Faculty of Mining and Geology, Belgrade, Serbia
- Slobodan Trajković
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Affiliation Department of Underground Mining, University of Belgrade Faculty of Mining and Geology, Belgrade, Serbia
Competing Interests
The authors declare that co-author Matjaž Perc is a PLOS ONE Editorial Board member. This does not alter their adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Performed the experiments: SK MP NV ST. Analyzed the data: SK MP NV ST. Contributed reagents/materials/analysis tools: SK MP NV ST. Wrote the paper: SK MP NV ST.