Content Provider
Directory of Open Access Journals: DOAJ Articles
78
DataCite Metadata Store (German National Library of Science and Technology)
36
eCite UTAS (University of Tasmania)
26
Natural Environment Research Council: NERC Open Research Archive
23
Unknown
23
University of Groningen research database
19
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
18
Old Dominion University: ODU Digital Commons
17
University of Tasmania: UTas ePrints
17
Niedersächsisches Online-Archiv NOA
16
Università degli Studi di Genova: CINECA IRIS
15
University of California: eScholarship
14
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
13
Magnolia press
13
Wiley Online Library
13
Australian National University: ANU Digital Collections
12
Cambridge University Press
12
Université de Nantes: HAL-UNIV-NANTES
12
Zenodo
11
Springer Nature (via Crossref)
10
Frontiers (Publisher)
9
Institut national des sciences de l'Univers: HAL-INSU
9
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
8
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
8
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
7
Università Politecnica delle Marche: IRIS
7
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
7
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
6
DIAL@USL-B (Université Saint-Louis, Bruxelles)
6
KU Leuven: Lirias
6
University of Southampton: e-Prints Soton
6
Wiley Online Library (via Crossref)
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
6
DIAL@UCLouvain (Université catholique de Louvain)
5
Digital Commons University of South Florida (USF)
5
Digital.CSIC (Spanish National Research Council)
5
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
Max Planck Society: MPG.PuRe
5
NIOZ Repository (Royal Netherlands Institute for Sea Research)
5
Padua Research Archive (IRIS - Università degli Studi di Padova)
5
University of Bristol: Bristol Research
5
University of South Florida St. Petersburg: Digital USFSP
5
Arctic Portal Library
4
Dryad Digital Repository (Duke University)
4
James Cook University, Australia: ResearchOnline@JCU
4
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
4
Pensoft Publishers
4
ScienceDirect (Elsevier - via Crossref)
4
The Royal Society (via Crossref)
4
ARPI - Archivio della Ricerca dell'Università di Pisa
3
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