Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
10
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
9
Directory of Open Access Journals: DOAJ Articles
9
Cambridge University Press
8
Natural Environment Research Council: NERC Open Research Archive
7
Unknown
7
PANGAEA - Data Publisher for Earth & Environmental Science
5
PubMed Central (PMC)
4
University of Auckland Research Repository - ResearchSpace
4
University of Otago: Research Archive (OUR Archive)
4
Columbia University: Academic Commons
3
HighWire Press (Stanford University)
3
Magnolia press
3
The University of Queensland: UQ eSpace
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Digital.CSIC (Spanish National Research Council)
2
Pensoft Publishers
2
Queen's University Belfast Research Portal
2
The Royal Society (via Crossref)
2
University of British Columbia: cIRcle - UBC's Information Repository
2
University of Canterbury, Christchurch: UC Research Repository
2
Utrecht University Repository
2
Wiley Online Library
2
Wiley Online Library (via Crossref)
2
eCite UTAS (University of Tasmania)
2
Australian National University: ANU Digital Collections
1
Copernicus Publications: E-Journals
1
Curtin University: espace
1
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
1
Geological Quarterly
1
Ghent University Academic Bibliography
1
HELDA – University of Helsinki Open Repository
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
IRD (Institute de recherche pour le développement): Horizon
1
Institut national des sciences de l'Univers: HAL-INSU
1
MDPI Open Access Publishing
1
Monash University Research Portal
1
NIOZ Repository (Royal Netherlands Institute for Sea Research)
1
Niedersächsisches Online-Archiv NOA
1
Ohio State University (OSU): Knowledge Bank
1
PeerJ Publishing
1
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
1
Pontificia Universidad Católica de Chile: Repositorio UC
1
Publication Server of Goethe University Frankfurt am Main
1
RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro
1
Scientia Marina (E-Journal)
1
Swedish Museum of Natural History: Publications (DiVA)
1
The University of Manchester: Research Explorer
1
The University of Texas at Austin: Texas ScholarWorks
1
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
1
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