Content Provider
Directory of Open Access Journals: DOAJ Articles
463
LeibnizOpen (The Leibniz Association)
231
Unknown
215
DataCite Metadata Store (German National Library of Science and Technology)
182
Cambridge University Press
155
Niedersächsisches Online-Archiv NOA
145
University of California: eScholarship
142
Aarhus University: Research
141
University of Copenhagen: Research
117
Technical University of Denmark: DTU Orbit
95
University of Bristol: Bristol Research
68
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
66
Utrecht University Repository
65
White Rose Research Online (Universities of Leeds, Sheffield & York)
63
University of St Andrews: Research Portal
60
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
59
Institut national des sciences de l'Univers: HAL-INSU
56
Université de Nantes: HAL-UNIV-NANTES
52
Wiley Online Library
52
Natural Environment Research Council: NERC Open Research Archive
51
Durham University: Durham Research Online
45
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
44
Apollo - University of Cambridge Repository
43
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
39
University of Liège: ORBi (Open Repository and Bibliography)
39
University of St Andrews: Digital Research Repository
37
ScienceDirect (Elsevier - via Crossref)
36
The University of Kansas: KU ScholarWorks
35
ETH Zürich Research Collection
34
Springer Nature (via Crossref)
32
Wiley Online Library (via Crossref)
32
Caltech Authors (California Institute of Technology)
31
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
29
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
29
Informa (via Crossref)
27
Frontiers (Publisher)
26
Université Grenoble Alpes: HAL
26
Swansea University: Cronfa
25
The University of Manchester: Research Explorer
25
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
24
University of Glasgow: Enlighten - Publications
24
Zenodo
23
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
20
The University of Liverpool Repository
20
University of Tromsø: Munin Open Research Archive
20
NIOZ Repository (Royal Netherlands Institute for Sea Research)
19
Newcastle University Library ePrints Service
19
University of Calgary Journal Hosting
18
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
17
Aarhus University: OJS at The State and University Library
16
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