Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
8
DataCite Metadata Store (German National Library of Science and Technology)
6
Directory of Open Access Journals: DOAJ Articles
6
PubMed Central (PMC)
5
Unknown
5
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
4
Copernicus Publications: E-Journals
3
University of Tasmania: UTas ePrints
3
Wiley Online Library
3
eCite UTAS (University of Tasmania)
3
Cambridge University Press
2
Ghent University Academic Bibliography
2
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
2
National Institute of Polar Research Repository, Japan
2
The Royal Society (via Crossref)
2
Universitá degli Studi di Roma "Tor Vergata": ART - Archivio Istituzionale della Ricerca
2
Zenodo
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
CentAUR: Central Archive at the University of Reading
1
Columbia University: Academic Commons
1
Digital.CSIC (Spanish National Research Council)
1
Georgia Institute of Technology: SMARTech - Scholarly Materials and Research at Georgia Tech
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
IRUA - Institutional Repository van de Universiteit Antwerpen
1
KNAW: Research Explorer (Royal Netherlands Academy of Arts and Sciences)
1
MDPI Open Access Publishing
1
Natural Environment Research Council: NERC Open Research Archive
1
Niedersächsisches Online-Archiv NOA
1
North-West University, South Africa: Boloka (NWU-IR)
1
ORA - Oxford University Research Archive
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
OpenAgrar (OA)
1
Springer Nature (via Crossref)
1
University of Auckland Research Repository - ResearchSpace
1
University of East Anglia: UEA Digital Repository
1
University of Toronto: Research Repository T-Space
1
University of Vigo: Investigo (Repositorio Institucional de la Universidade de Vigo)
1
Università Politecnica delle Marche: IRIS
1
Université Grenoble Alpes: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
Wiley Online Library (via Crossref)
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1
Xiamen University Institutional Repository
1