Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
586
Aarhus University: Research
205
University of Copenhagen: Research
104
Dryad Digital Repository (Duke University)
62
Unknown
38
Zenodo
35
Directory of Open Access Journals: DOAJ Articles
28
Lund University Publications (LUP)
23
Wiley Online Library
21
LeibnizOpen (The Leibniz Association)
20
PANGAEA - Data Publisher for Earth & Environmental Science
17
ScienceDirect (Elsevier - via Crossref)
17
Copernicus Publications: E-Journals
13
PubMed Central (PMC)
13
Technical University of Denmark: DTU Orbit
12
University of Michigan: Digital Collections
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
8
IRUA - Institutional Repository van de Universiteit Antwerpen
8
Lund University Publications Student Papers (LUP-SP)
8
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
7
PeerJ Publishing
7
Springer Nature (via Crossref)
7
DIAL@USL-B (Université Saint-Louis, Bruxelles)
6
Niedersächsisches Online-Archiv NOA
6
The Royal Society
6
Université de Nantes: HAL-UNIV-NANTES
6
DIAL@UCLouvain (Université catholique de Louvain)
5
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
5
Frontiers: Figshare
5
Informa (via Crossref)
5
Institut national des sciences de l'Univers: HAL-INSU
5
University of Groningen research database
5
Aarhus University: OJS at The State and University Library
4
Arctic Data Center (via DataONE)
4
ETH Zürich Research Collection
4
Tidsskrift.dk (The Royal Library, Denmark)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
Jultika - University of Oulu repository
3
The Royal Society: Figshare
3
University of California: eScholarship
3
Université Grenoble Alpes: HAL
3
Wiley Online Library (via Crossref)
3
eSpace - Manchester Metropolitan University's Research Repository
3
Aix-Marseille Université: HAL
2
BioMed Central
2
Collège de France: HAL
2
HELDA – University of Helsinki Open Repository
2
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
2
Informa
2
Liverpool John Moores University: LJMU Research Online
2
more ...