Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
59,467
Zenodo
23,917
University of Nebraska-Lincoln: DigitalCommons@UNL
244
Unknown
212
Dryad Digital Repository (Duke University)
90
LeibnizOpen (The Leibniz Association)
67
PubMed Central (PMC)
57
Digital.CSIC (Spanish National Research Council)
53
Directory of Open Access Journals: DOAJ Articles
51
University of Windsor, Ontario: Scholarship at UWindsor
48
University of California: eScholarship
47
Research Data Australia (Australian National Data Service - ANDS)
43
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
42
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
35
Instituto Español de Oceanografía: e-IEO
26
Université de Nantes: HAL-UNIV-NANTES
24
TERN Australia (via DataONE)
21
University of Liège: ORBi (Open Repository and Bibliography)
20
Altai State University: Scientific Journals of ASU
19
Magnolia press
18
Arctic Council Repository
17
The University of Queensland: UQ eSpace
15
University of Colorado Boulder, Law School: Scholarly Commons
14
Biodiversity Heritage Library (BHL)
12
Nova Southeastern University: NSU Works
12
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
10
HAL Sorbonne Université
10
PANGAEA - Data Publisher for Earth & Environmental Science
10
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
9
Muséum National d'Histoire Naturelle (MNHM): HAL
9
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
9
Old Dominion University: ODU Digital Commons
9
Pensoft Publishers
9
Dipòsit Digital de la Universitat de Barcelona
8
Ghent University Academic Bibliography
8
Repositório da Universidade dos Açores
8
Aarhus University: Research
7
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
7
DIAL@USL-B (Université Saint-Louis, Bruxelles)
7
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
7
IRIS Università degli Studi di Palermo
7
Institut national des sciences de l'Univers: HAL-INSU
7
Lund University Publications (LUP)
7
University of Stirling: Stirling Digital Research Repository
7
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
7
Fondazione Edmund Mach: IRIS-OpenPub
6
Institutional Knowledge (InK) at Singapore Management University
6
Royal Holloway University of London: Royal Holloway Digital Repository
6
Technical University of Denmark: DTU Orbit
6
Universidade do Algarve: Sapienta
6
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