Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,582
National Institute of Polar Research Repository, Japan
899
Directory of Open Access Journals: DOAJ Articles
727
Unknown
662
eCite UTAS (University of Tasmania)
586
ScienceDirect (Elsevier - via Crossref)
416
Research Data Australia (Australian National Data Service - ANDS)
414
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
387
Université de Nantes: HAL-UNIV-NANTES
310
University of Tasmania: UTas ePrints
305
Copernicus Publications: E-Journals
298
PANGAEA - Data Publisher for Earth & Environmental Science
258
Natural Environment Research Council: NERC Open Research Archive
249
Springer Nature (via Crossref)
248
Niedersächsisches Online-Archiv NOA
191
Australian National University: ANU Digital Collections
177
Cambridge University Press
167
Université Grenoble Alpes: HAL
112
LeibnizOpen (The Leibniz Association)
101
PubMed Central (PMC)
99
Institut national des sciences de l'Univers: HAL-INSU
84
Wiley Online Library
83
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
78
University of California: eScholarship
78
ScienceDirect (Elsevier)
77
The University of Adelaide: Digital Library
75
Utrecht University Repository
75
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
73
Università degli Studi di Genova: CINECA IRIS
73
MDPI Open Access Publishing
69
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
64
Ghent University Academic Bibliography
63
Curtin University: espace
62
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
55
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
54
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
50
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
49
Arctic Portal Library
48
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
46
Digital.CSIC (Spanish National Research Council)
44
The University of Queensland: UQ eSpace
44
Durham University: Durham Research Online
42
HighWire Press (Stanford University)
42
Macquarie University Research Portal
42
University of Bristol: Bristol Research
42
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
40
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
39
IEDA: US Antarctic Program Data Center (via DataONE)
39
University of Wollongong, Australia: Research Online
38
Imperial College London: Spiral
35
more ...