Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
9
WikiBooks - Open-content textbooks
6
GEO-LEOe-docs (FID GEO)
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
University of Freiburg: FreiDok
2
ZFDM Repository (Center for Sustainable Research Data Management, Hamburg University)
2
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
Digital Library Thüringen
1
Directory of Open Access Journals: DOAJ Articles
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Max Planck Society: MPG.PuRe
1
Publication Server of Goethe University Frankfurt am Main
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Wiley Online Library
1
Würzburg University: Online Publication Service
1