Content Provider
University of Freiburg: FreiDok
47
KITopen (Karlsruhe Institute of Technologie)
11
DataCite Metadata Store (German National Library of Science and Technology)
5
Digital Library Thüringen
1
Doria (National Library of Finland)
1
Münster University (WWU): miami
1
Publikationsdatenbank der Fraunhofer-Gesellschaft
1
TU Berlin: Deposit Once
1
Taju University of the Arts Helsinki
1