Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,296
Zenodo
28
Directory of Open Access Journals: DOAJ Articles
6
CyberLeninka (Scientific Electronic Library)
5
Unknown
5
Federation of Finnish Learned Societies: Scientific Journals Online
3
Australian National University: ANU Digital Collections
2
HELDA – University of Helsinki Open Repository
2
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
2
BIROn - Birkbeck Institutional Research Online (Birkbeck University of London)
1
Bibliotekovedenie [Library and Information Science] (E-Journal)
1
DAIS repository (Digital Archive of the Publications of the Serbian Academy of Sciences and Arts - SASA)
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Joint Research Centre, European Commission: JRC Publications Repository
1
Jultika - University of Oulu repository
1
KOPS - The Institutional Repository of the University of Konstanz
1
Lund University Publications (LUP)
1
MDPI Open Access Publishing
1
Max Planck Society: MPG.PuRe
1
Natural Environment Research Council: NERC Open Research Archive
1
Pensoft Publishers
1
Problems of Particularly Dangerous Infections (E-Journal)
1
PubMed Central (PMC)
1
The University of Kansas: Journals@KU
1
Umeå University: Publications (DiVA)
1
University of the Pacific, McGeorge School of Law: Scholarly Commons
1
University of the Pacific: Scholarly Commons
1
Ural Federal University (URFU): ELAR
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1
eCite UTAS (University of Tasmania)
1