Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
680
Zenodo
59
Magnolia press
8
The University of Texas at Austin: Texas ScholarWorks
4
The University of Utah: J. Willard Marriott Digital Library
3
GEO-LEOe-docs (FID GEO)
2
HELDA – University of Helsinki Open Repository
2
NOAA NCEI Environmental Data Archive (via DataONE)
2
American University in Cairo: Rare Books and Special Collections Digital Library
1
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
1
Cambridge University Press
1
Cambridge University Press (via Crossref)
1
Federation of Finnish Learned Societies: Scientific Journals Online
1
Georgetown University: DigitalGeorgetown
1
Natural Environment Research Council: NERC Open Research Archive
1
North Dakota State University (NDSU): Digital Horizons
1
Philipps-Universität Marburg: Publications
1
UTSA Digital Collections (The University of Texas at San Antonio)
1
University College London: UCL Discovery
1
University of Stirling: Stirling Digital Research Repository
1
Università del Salento: ESE - Salento University Publishing
1