About the Authors
- P. Martin Sander
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* E-mail: martin.sander@uni-bonn.de
Affiliation Steinmann Institute of Geology, Mineralogy and Paleontology, University of Bonn, Bonn, Germany
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: PMS. Performed the experiments: PMS. Analyzed the data: PMS. Contributed reagents/materials/analysis tools: PMS. Wrote the paper: PMS.