Content Provider
eCite UTAS (University of Tasmania)
44
Directory of Open Access Journals: DOAJ Articles
42
DataCite Metadata Store (German National Library of Science and Technology)
41
University of Tasmania: UTas ePrints
29
PANGAEA - Data Publisher for Earth & Environmental Science
28
PubMed Central (PMC)
17
Unknown
17
Copernicus Publications: E-Journals
16
Natural Environment Research Council: NERC Open Research Archive
15
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
13
Wiley Online Library
11
Niedersächsisches Online-Archiv NOA
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
National Institute of Polar Research Repository, Japan
7
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
6
University of Canterbury, Christchurch: UC Research Repository
6
University of Southampton: e-Prints Soton
6
Université de Nantes: HAL-UNIV-NANTES
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
6
University of California: eScholarship
5
Digital.CSIC (Spanish National Research Council)
4
ETH Zürich Research Collection
4
Institut national des sciences de l'Univers: HAL-INSU
4
Max Planck Society: MPG.PuRe
4
Oxford University Press
4
University of East Anglia: UEA Digital Repository
4
Università degli Studi di Genova: CINECA IRIS
4
Université de Genève: Archive ouverte UNIGE
4
Apollo - University of Cambridge Repository
3
HAL Sorbonne Université
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
Wiley Online Library (via Crossref)
3
Archives ouvertes de Paris-Saclay
2
Arctic Portal Library
2
BORIS (Bern Open Repository and Information System, University of Bern)
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Cardiff University: ORCA (Online Research @ Cardiff)
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
2
Springer Nature (via Crossref)
2
The University of Queensland: UQ eSpace
2
Universidade do Algarve: Sapienta
2
University of Auckland Research Repository - ResearchSpace
2
University of Bristol: Bristol Research
2
University of Groningen research database
2
more ...