Content Provider
Uppsala University: Publications (DiVA)
18
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
16
DataCite Metadata Store (German National Library of Science and Technology)
13
Biodiversity Heritage Library (BHL)
12
Unknown
9
Australian National University: ANU Digital Collections
8
Dryad Digital Repository (Duke University)
7
Swedish Museum of Natural History: Publications (DiVA)
6
The University of Adelaide: Digital Library
5
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
4
Directory of Open Access Journals: DOAJ Articles
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
Apollo - University of Cambridge Repository
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Cedarville University: DigitalCommons@Cedarville
2
Ghent University Academic Bibliography
2
HAL Lyon 1 (University Claude Bernard Lyon 1)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Macquarie University Research Portal
2
Missouri State University: BearWorks
2
National Institute of Polar Research Repository, Japan
2
The University of Queensland: UQ eSpace
2
Universitat de València: Open Journal Systems
2
University of Bristol: Bristol Research
2
University of Copenhagen: Research
2
University of Oklahoma/Oklahoma State University: SHAREOK Repository
2
Université Jean Monnet – Saint-Etienne: HAL
2
Université de Lyon: HAL
2
Zenodo
2
Archives ouvertes de Paris-Saclay
1
Caltech Authors (California Institute of Technology)
1
Dalhousie University: DalSpace Institutional Repository
1
DataverseNO
1
ETH Zürich Research Collection
1
Estudios Geológicos (E-Journal)
1
GEO-LEOe-docs (FID GEO)
1
Geological Quarterly
1
Geological Society of London: Figshare
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Lund University Publications Student Papers (LUP-SP)
1
MDPI Open Access Publishing
1
Magnolia press
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
NORA (National aggregator of open repositories of Russian universities)
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Peoples' Friendship University of Russia (RUDN): Open repository
1
Smith College: Smith ScholarWorks
1
The University of Kansas: KU ScholarWorks
1
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