Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
866
IEDA: US Antarctic Program Data Center (via DataONE)
38
Unknown
35
Copernicus Publications: E-Journals
26
Directory of Open Access Journals: DOAJ Articles
22
Natural Environment Research Council: NERC Open Research Archive
20
Niedersächsisches Online-Archiv NOA
17
University of California: eScholarship
13
The University of Maine: DigitalCommons@UMaine
8
eCite UTAS (University of Tasmania)
7
Apollo - University of Cambridge Repository
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
Australian National University: ANU Digital Collections
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
Université de Nantes: HAL-UNIV-NANTES
5
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
5
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
4
PubMed Central (PMC)
4
DIAL@UCLouvain (Université catholique de Louvain)
3
DIAL@USL-B (Université Saint-Louis, Bruxelles)
3
University of Tasmania: UTas ePrints
3
Utrecht University Repository
3
Archives ouvertes de Paris-Saclay
2
Arctic Data Center (via DataONE)
2
BORIS (Bern Open Repository and Information System, University of Bern)
2
Brigham Young University (BYU): ScholarsArchive
2
Central Washington University: ScholarWorks
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
IRUA - Institutional Repository van de Universiteit Antwerpen
2
JPL Technical Report Server
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
Ohio State University (OSU): Knowledge Bank
2
Portal de Periódicos UFGD
2
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
2
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
2
University of Colorado, Boulder: CU Scholar
2
University of Copenhagen: Research
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
White Rose Research Online (Universities of Leeds, Sheffield & York)
2
Wiley Online Library
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
ArXiv.org (Cornell University Library)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
1
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
1
Biblioteca Digital de Periódicos da UFPR
1
Biblioteca Digital de Periódicos da UFPR (Universidade Federal do Paraná)
1
Chapman University Digital Commons
1
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