Content Provider
Directory of Open Access Journals: DOAJ Articles
60
Unknown
25
DataCite Metadata Store (German National Library of Science and Technology)
14
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
9
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
6
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
5
University of Iceland: Peer Reviewed Journals
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
AMUR - Adam Mickiewicz University Repository, Poznan
2
Adam Mickiewicz University in Poznań: PRESSto
2
GEO-LEOe-docs (FID GEO)
2
Informa (via Crossref)
2
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
2
Max Planck Society: MPG.PuRe
2
Publication Server of Goethe University Frankfurt am Main
2
TU Braunschweig: LeoPARD - Publications And Research Data
2
Thieme
2
University Scientific Journals University of Gdansk (UGN)
2
University of Freiburg: FreiDok
2
University of Luxembourg: ORBilu - Open Repository and Bibliography
2
AMAD - "Archivum Medii Aevi Digitale - Specialized open access repository for research in the middle ages"
1
BOP Serials (Bern Open Publishing, University of Bern)
1
Budrich Journals
1
Contributions to Entomology = Beiträge zur Entomologie (E-Journal)
1
DataCite
1
German Aerospace Center: elib - DLR electronic library
1
Heidelberg University Publishing (heiUP)
1
PUB - Publications at Bielefeld University
1
Publication Server of Greifswald University
1
Querelles - Yearbook for Women’s and Gender Studies (QJB)
1
Sapienza Università di Roma: CINECA IRIS
1
University of Basel: edoc
1
University of Copenhagen: Research
1
University of Liège: ORBi (Open Repository and Bibliography)
1
University of Potsdam: publish.UP
1
University of St. Gallen: Research Platform Alexandria
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Uppsala University: Publications (DiVA)
1
pedocs document server (German Education Portal/DIPF)
1