Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
68
IEDA: US Antarctic Program Data Center (via DataONE)
35
University of California: eScholarship
31
Copernicus Publications: E-Journals
24
Directory of Open Access Journals: DOAJ Articles
23
Unknown
23
The University of Maine: DigitalCommons@UMaine
17
Niedersächsisches Online-Archiv NOA
14
Arctic Data Center (via DataONE)
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
Université Grenoble Alpes: HAL
9
ArXiv.org (Cornell University Library)
8
Université de Nantes: HAL-UNIV-NANTES
8
Wiley Online Library
8
Cambridge University Press
6
BORIS (Bern Open Repository and Information System, University of Bern)
5
Natural Environment Research Council: NERC Open Research Archive
5
Bowdoin College: Bowdoin Digital Commons
4
University of New Hampshire: Scholars Repository
4
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3
DESY Publication Database (PUBDB)
3
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
3
NASA Technical Reports Server (NTRS)
3
National Institute of Polar Research Repository, Japan
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
PubMed Central (PMC)
3
University of Groningen research database
3
Chapman University Digital Commons
2
Defense Technical Information Center: DTIC Technical Reports database
2
Ghent University Academic Bibliography
2
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
2
Norwegian Polar Data Centre
2
South Dakota State University (SDSU): Open PRAIRIE (Public Research Access Institutional Repository and Information Exchange)
2
T2R2 (Tokyo Tech Research Repository)
2
The University of Texas at Austin: Texas ScholarWorks
2
University of Bristol: Bristol Research
2
University of Colorado, Boulder: CU Scholar
2
University of East Anglia: UEA Digital Repository
2
Université de Genève: Archive ouverte UNIGE
2
Zenodo
2
AAAS Resource Center (American Association for the Advancement of Science)
1
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
Caltech Authors (California Institute of Technology)
1
Curtin University: espace
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
DORA Empa
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
ETH Zürich Research Collection
1
more ...