Content Provider
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
6
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
DataCite Metadata Store (German National Library of Science and Technology)
3
German Aerospace Center: elib - DLR electronic library
3
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
3
Cologne University: KUPS
2
DataCite
2
Georg-August-Universität Göttingen: GOEDOC
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Biologie in unserer Zeit (BiuZ - E-Journal)
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
Directory of Open Access Journals: DOAJ Articles
1
MACAU: Open Access Repository of Kiel University
1
Max Planck Society: MPG.PuRe
1
OpenAgrar (OA)
1
Publication Server of Goethe University Frankfurt am Main
1
Publication Server of the FH Aachen University of Applied Sciences
1