Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,229
PANGAEA - Data Publisher for Earth & Environmental Science
19
DataCite
14
Directory of Open Access Journals: DOAJ Articles
3
Niedersächsisches Online-Archiv NOA
3
Copernicus Publications: E-Journals
2
Frontiers: Figshare
2
Journals at the University of Arizona
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
PubMed Central (PMC)
2
Unknown
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Cambridge University Press
1
Ghent University Academic Bibliography
1
Natural Environment Research Council: NERC Open Research Archive
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Repositório Institucional da Universidade de Aveiro (RIA)
1
University College London: UCL Discovery
1
University of California: eScholarship
1
University of Cape Town: OpenUCT
1
University of Michigan: Deep Blue
1
University of Nottingham: Repository@Nottingham
1
Università degli Studi di Urbino: CINECA IRIS
1
Uppsala University: Publications (DiVA)
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1