Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
13
University of Tasmania: UTas ePrints
13
Directory of Open Access Journals: DOAJ Articles
11
eCite UTAS (University of Tasmania)
11
Natural Environment Research Council: NERC Open Research Archive
7
PubMed Central (PMC)
5
Copernicus Publications: E-Journals
4
Università degli Studi di Genova: CINECA IRIS
4
Université de Genève: Archive ouverte UNIGE
4
Digital.CSIC (Spanish National Research Council)
3
University of California: eScholarship
3
University of Canterbury, Christchurch: UC Research Repository
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
Niedersächsisches Online-Archiv NOA
2
University of East Anglia: UEA Digital Repository
2
Université de Nantes: HAL-UNIV-NANTES
2
Unknown
2
Victoria University of Wellington: ResearchArchive
2
Apollo - University of Cambridge Repository
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Arctic Portal Library
1
Columbia University: Academic Commons
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
HAL - Université de La Rochelle
1
HighWire Press (Stanford University)
1
Institute for Marine Research: Brage IMR
1
MDPI Open Access Publishing
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
Springer Nature (via Crossref)
1
The University of Queensland: UQ eSpace
1
University of Groningen research database
1
University of Otago: Research Archive (OUR Archive)
1
University of Rhode Island: DigitalCommons@URI
1
University of Tromsø: Munin Open Research Archive
1
Université de Bourgogne (UB): HAL
1
W&M ScholarWorks
1
Wiley Online Library
1