Content Provider
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
129
Directory of Open Access Journals: DOAJ Articles
49
Unknown
39
RWTH Aachen University: RWTH Publications
6
University of Freiburg: FreiDok
4
AMAD - "Archivum Medii Aevi Digitale - Specialized open access repository for research in the middle ages"
3
University of Groningen research database
3
Augsburg University Publication Server (OPUS)
2
BORIS (Bern Open Repository and Information System, University of Bern)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
German Aerospace Center: elib - DLR electronic library
2
Max Planck Society: MPG.PuRe
2
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Georg-August-Universität Göttingen: GOEDOC
1
Hereon Publications (Helmholtz-Zentrum)
1
OpenAgrar (OA)
1
Publication Database PIK (Potsdam Institute for Climate Impact Research)
1
Publikationsdatenbank der Fraunhofer-Gesellschaft
1
University of Liège: ORBi (Open Repository and Bibliography)
1