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LeibnizOpen (The Leibniz Association)
17
Unknown
3
DataCite Metadata Store (German National Library of Science and Technology)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
Utrecht University Repository
1
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