Content Provider
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
111
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
27
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
18
DataCite Metadata Store (German National Library of Science and Technology)
16
OpenAgrar (OA)
11
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
3
Springer Nature (via Crossref)
2
Directory of Open Access Journals: DOAJ Articles
1
MACAU: Open Access Repository of Kiel University
1
Pomeranian Library of Szczecin: Digital Library
1
Publication Server of Goethe University Frankfurt am Main
1
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
1