Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,972
National Institute of Polar Research Repository, Japan
899
Directory of Open Access Journals: DOAJ Articles
732
Unknown
662
PANGAEA - Data Publisher for Earth & Environmental Science
616
Research Data Australia (Australian National Data Service - ANDS)
615
eCite UTAS (University of Tasmania)
586
ScienceDirect (Elsevier - via Crossref)
474
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
387
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
313
Copernicus Publications: E-Journals
311
Université de Nantes: HAL-UNIV-NANTES
310
University of Tasmania: UTas ePrints
304
Cambridge University Press
282
Natural Environment Research Council: NERC Open Research Archive
249
Springer Nature (via Crossref)
248
Niedersächsisches Online-Archiv NOA
209
Zenodo
190
Australian National University: ANU Digital Collections
177
LeibnizOpen (The Leibniz Association)
101
PubMed Central (PMC)
99
Université Grenoble Alpes: HAL
99
University of California: eScholarship
93
Wiley Online Library (via Crossref)
86
Institut national des sciences de l'Univers: HAL-INSU
84
ScienceDirect (Elsevier)
84
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
79
The University of Adelaide: Digital Library
75
Utrecht University Repository
75
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
72
Università degli Studi di Genova: CINECA IRIS
72
MDPI Open Access Publishing
69
Macquarie University Research Portal
64
Ghent University Academic Bibliography
63
Curtin University: espace
62
Informa (via Crossref)
62
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
62
Wiley Online Library
59
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
54
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
51
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
50
University of Bristol: Bristol Research
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)
47
The University of Queensland: UQ eSpace
44
Digital.CSIC (Spanish National Research Council)
42
Durham University: Durham Research Online
42
HighWire Press (Stanford University)
42
The University of Maine: DigitalCommons@UMaine
42
more ...