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Copernicus Publications: E-Journals
2
BORIS (Bern Open Repository and Information System, University of Bern)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Digital Commons University of South Florida (USF)
1
Niedersächsisches Online-Archiv NOA
1
University of Copenhagen: Research
1
University of South Florida St. Petersburg: Digital USFSP
1
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1
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