Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
202
Unknown
64
Directory of Open Access Journals: DOAJ Articles
57
Biodiversity Heritage Library (BHL)
55
German Aerospace Center: elib - DLR electronic library
31
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
22
Digital Repository of Scientific Institutes (RCIN)
18
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
18
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
17
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
16
Georg-August-Universität Göttingen: GOEDOC
13
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
13
Publication Server of Goethe University Frankfurt am Main
12
University of Tromsø: Septentrio Academic Publishing
11
Hathi Trust Digital Library
9
Cologne University: KUPS
8
Bayreuth University: EPub Bayreuth
7
GEO-LEOe-docs (FID GEO)
7
Harvard University: Harvard Collections
7
University of Michigan: Digital Collections
7
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
6
ETH Zürich Research Collection
6
Freie Universität Berlin: Refubium (FU Berlin)
5
University of Groningen research database
5
University of Potsdam: publish.UP
5
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
5
Georg-August-Universität Göttingen: eDiss
4
Hereon Publications (Helmholtz-Zentrum)
4
Max Planck Society: MPG.PuRe
4
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
4
OpenAgrar (OA)
4
Wiley Online Library
4
Wissenschaftliche Verlagsgesellschaft Stuttgart
4
BORIS (Bern Open Repository and Information System, University of Bern)
3
DataCite
3
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
3
LaCRIS - University of Lapland Current Research System
3
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
3
PuSH - Publikationsserver des Helmholtz Zentrums München
3
Publication Server of the Justus-Liebig-University of Giessen
3
Springer Nature (via Crossref)
3
Universität Leipzig: Qucosa
3
York University Digital Library
3
ZFDM Repository (Center for Sustainable Research Data Management, Hamburg University)
3
Zenodo
3
bonndoc - The Repository of the University of Bonn
3
epub.oeaw (The digital publication portal of the Austrian Academy of Sciences)
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Digital Library Thüringen
2
Dresden University of Technology: Qucosa
2
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