About the Authors
- Dawid Surmik
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* E-mail: dawid@surmik.pl
Affiliations Faculty of Earth Science, University of Silesia, Będzińska 60, 41–200, Sosnowiec, Poland, Park of Science & Human Evolution, 1 Maja 10, 46–040, Krasiejów, Poland
- Andrzej Boczarowski
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Affiliations Faculty of Earth Science, University of Silesia, Będzińska 60, 41–200, Sosnowiec, Poland, Park of Science & Human Evolution, 1 Maja 10, 46–040, Krasiejów, Poland
- Katarzyna Balin
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Affiliations A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40–007, Katowice, Poland, Silesian Centre for Education and Interdisciplinary Research, 75 Pułku Piechoty 1A, 41–500, Chorzow, Poland
- Mateusz Dulski
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Affiliations Silesian Centre for Education and Interdisciplinary Research, 75 Pułku Piechoty 1A, 41–500, Chorzow, Poland, Institute of Material Science, University of Silesia, 75 Pułku Piechoty 1A, 41–500, Chorzow, Poland
- Jacek Szade
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Affiliations A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40–007, Katowice, Poland, Silesian Centre for Education and Interdisciplinary Research, 75 Pułku Piechoty 1A, 41–500, Chorzow, Poland
- Barbara Kremer
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Affiliation Institute of Paleobiology, Polish Academy of Science, Twarda 51/55, 00–818, Warszawa, Poland
- Roman Pawlicki
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Affiliation Department of Histology, Jagiellonian University Medical College, Kopernika 7, 31–034, Kraków, Poland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: DS. Performed the experiments: DS AB RP KB MD JS. Analyzed the data: DS AB RP KB MD JS BK. Contributed reagents/materials/analysis tools: DS AB KB MD BK RP JS. Wrote the paper: DS AB KB MD BK JS. Designed the software used in analysis: DS AB KB MD JS. Experimental part made by: MD (FTIR) KB (ToF-SIMS) JS (XPS) DS AB RP (LM, ESEM).