Content Provider
Directory of Open Access Journals: DOAJ Articles
86
Natural Environment Research Council: NERC Open Research Archive
35
eCite UTAS (University of Tasmania)
35
DataCite Metadata Store (German National Library of Science and Technology)
33
Niedersächsisches Online-Archiv NOA
28
Unknown
23
University of Tasmania: UTas ePrints
22
Cambridge University Press
17
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
14
Frontiers (Publisher)
13
University of California: eScholarship
13
Wiley Online Library
13
Old Dominion University: ODU Digital Commons
12
Université de Nantes: HAL-UNIV-NANTES
12
Università degli Studi di Genova: CINECA IRIS
9
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
8
University of Groningen research database
8
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
7
Sapienza Università di Roma: CINECA IRIS
7
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Caltech Authors (California Institute of Technology)
6
Università Politecnica delle Marche: IRIS
6
Università degli Studi di Napoli "Parthenope": CINECA IRIS
6
ARPI - Archivio della Ricerca dell'Università di Pisa
5
DIAL@USL-B (Université Saint-Louis, Bruxelles)
5
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
Institut national des sciences de l'Univers: HAL-INSU
5
Springer Nature (via Crossref)
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
Archives ouvertes de Paris-Saclay
4
IOP Publishing
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
Padua Research Archive (IRIS - Università degli Studi di Padova)
4
University College London: UCL Discovery
4
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
4
Utrecht University Repository
4
Columbia University: Academic Commons
3
HAL Sorbonne Université
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
HELDA – University of Helsinki Open Repository
3
IRIS Università degli Studi di Napoli Federico II
3
Macquarie University Research Portal
3
Max Planck Society: MPG.PuRe
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
ASM Journals (American Society for Microbiology)
2
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
2
Arctic Portal Library
2
Australian National University: ANU Digital Collections
2
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