Content Provider
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
6
University of Potsdam: publish.UP
3
Würzburg University: Online Publication Service
2
DataCite Metadata Store (German National Library of Science and Technology)
1
Digital Library Thüringen
1
Høgskolen i Innlandet: Brage INN
1
Jultika - University of Oulu repository
1
NTNU Open Archive (Norwegian University of Science and Technology)
1
Publication Server of Greifswald University
1
Publication Server of the Justus-Liebig-University of Giessen
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1