Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5
CentAUR: Central Archive at the University of Reading
1
Copernicus Publications: E-Journals
1
ETH Zürich Research Collection
1
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
1
NIOZ Repository (Royal Netherlands Institute for Sea Research)
1
Niedersächsisches Online-Archiv NOA
1
RERO DOC Digital Library
1
Technical University of Crete: Institutional Repository
1
University of British Columbia: cIRcle - UBC's Information Repository
1
Unknown
1