Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,072
PANGAEA - Data Publisher for Earth & Environmental Science
652
Research Data Australia (Australian National Data Service - ANDS)
612
Directory of Open Access Journals: DOAJ Articles
518
Unknown
396
IEDA: US Antarctic Program Data Center (via DataONE)
374
LeibnizOpen (The Leibniz Association)
374
Cambridge University Press
216
Copernicus Publications: E-Journals
214
Natural Environment Research Council: NERC Open Research Archive
201
University of California: eScholarship
174
eCite UTAS (University of Tasmania)
149
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
138
Niedersächsisches Online-Archiv NOA
138
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
125
Université de Nantes: HAL-UNIV-NANTES
105
Zenodo
103
University of Tasmania: UTas ePrints
100
Ohio State University (OSU): Knowledge Bank
98
Defense Technical Information Center: DTIC Technical Reports database
90
Institut national des sciences de l'Univers: HAL-INSU
85
National Library of Australia: Digital Collections
78
MDPI Open Access Publishing
75
PubMed Central (PMC)
61
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
60
Northumbria University, Newcastle: Northumbria Research Link (NRL)
58
University of Bristol: Bristol Research
58
Wiley Online Library
58
The University of Maine: DigitalCommons@UMaine
51
Australian National University: ANU Digital Collections
49
Frontiers: Figshare
49
National Institute of Polar Research Repository, Japan
48
Portland State University: PDXScholar
46
Norwegian Polar Data Centre
44
Université Grenoble Alpes: HAL
43
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
42
ScienceDirect (Elsevier - via Crossref)
41
Informa (via Crossref)
40
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
38
Durham University: Durham Research Online
38
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
38
German Aerospace Center: elib - DLR electronic library
37
The University of Melbourne: Digitised Collections
37
Utrecht University Repository
36
ARPI - Archivio della Ricerca dell'Università di Pisa
35
Ice and Snow (E-Journal)
33
Springer Nature (via Crossref)
33
Informa
32
Macquarie University Research Portal
32
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
31
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