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LeibnizOpen (The Leibniz Association)
22
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3
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Copernicus Publications: E-Journals
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Niedersächsisches Online-Archiv NOA
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
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