About the Authors
- Olev Vinn
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* E-mail: olev.vinn@ut.ee
Affiliation Department of Geology, University of Tartu, Tartu, Estonia
- Mari-Ann Mõtus
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Affiliation Institute of Geology at Tallinn University of Technology, Tallinn, Estonia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: OV MAM. Performed the experiments: OV MAM. Analyzed the data: OV MAM. Contributed reagents/materials/analysis tools: OV MAM. Wrote the paper: OV MAM.