Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
61
Directory of Open Access Journals: DOAJ Articles
37
eCite UTAS (University of Tasmania)
29
University of Tasmania: UTas ePrints
28
PubMed Central (PMC)
24
Natural Environment Research Council: NERC Open Research Archive
18
Copernicus Publications: E-Journals
16
Unknown
14
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
10
Niedersächsisches Online-Archiv NOA
10
Springer Nature (via Crossref)
10
University of California: eScholarship
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
9
Digital.CSIC (Spanish National Research Council)
9
PANGAEA - Data Publisher for Earth & Environmental Science
8
Università degli Studi di Genova: CINECA IRIS
8
Université de Nantes: HAL-UNIV-NANTES
7
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
6
ScienceDirect (Elsevier - via Crossref)
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
5
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
University of Canterbury, Christchurch: UC Research Repository
4
University of Southampton: e-Prints Soton
4
Apollo - University of Cambridge Repository
3
DataCite
3
Institut national des sciences de l'Univers: HAL-INSU
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Instituto Español de Oceanografía: e-IEO
3
Lund University Publications (LUP)
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
3
The University of Queensland: UQ eSpace
3
Universidade do Algarve: Sapienta
3
University of Otago: Research Archive (OUR Archive)
3
HAL - Université de La Rochelle
2
Institute for Marine Research: Brage IMR
2
MDPI Open Access Publishing
2
RIUMA - Repositorio Institucional de la Universidad de Málaga
2
University of Bristol: Bristol Research
2
University of Groningen research database
2
Università Politecnica delle Marche: IRIS
2
Université de Bretagne Occidentale: HAL
2
Victoria University of Wellington: ResearchArchive
2
W&M ScholarWorks
2
Wageningen UR (University & Research Centre): Digital Library
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
Aalto University Publication Archive (Aaltodoc)
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
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