Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
3
Dresden University of Technology: Qucosa
2
Cologne University: KUPS
1
Digital Library Thüringen
1
OPUS - Publication Server of the University of Stuttgart
1
RWTH Aachen University: RWTH Publications
1
University of Potsdam: publish.UP
1