¹Thomas Kenkmann, ²Kent A. Sundell, ³Douglas Cook
Scientific Reports 8, 13246 Link to Article [https://doi.org/10.1038/s41598-018-31655-4]
¹Institut für Geo- und Umweltnaturwissenschaften, Albert-Ludwigs-Universität Freiburg, Baden-Württemberg, Germany
²Casper College, Casper, WY, USA
³Independent Consultant, Colorado Springs, CO, USA

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