Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
31
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
10
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
9
Georg-August-Universität Göttingen: GOEDOC
6
Directory of Open Access Journals: DOAJ Articles
5
Springer Nature (via Crossref)
4
University of Freiburg: FreiDok
4
Unknown
4
Dresden University of Technology: Qucosa
3
OpenAgrar (OA)
3
DBGPrints-Archive (German Soil Science Society)
2
DataCite
2
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
2
German Aerospace Center: elib - DLR electronic library
2
Max Planck Society: MPG.PuRe
2
University of Music and Performing Arts Graz (kunst uni Graz, KUG): Archive
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Bayreuth University: EPub Bayreuth
1
Bergische Universität Wuppertal: Electronic Publications
1
Biologie in unserer Zeit (BiuZ - E-Journal)
1
Contributions to Entomology = Beiträge zur Entomologie (E-Journal)
1
Freie Universität Berlin: Refubium (FU Berlin)
1
GEO-LEOe-docs (FID GEO)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Gutenberg Open Science (Open-Science-Repository of the Johannes Gutenberg-University Mainz)
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
Informa (via Crossref)
1
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
1
OPUS - Publication Server of the University of Stuttgart
1
PuSH - Publikationsserver des Helmholtz Zentrums München
1
Publication Server of Goethe University Frankfurt am Main
1
REPOSIT HAW Hamburg
1
University of Miami: Digital Collections
1
University of Michigan: Digital Collections
1
Universität Leipzig: Qucosa
1