Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
35
PANGAEA - Data Publisher for Earth & Environmental Science
33
Cambridge University Press
8
Directory of Open Access Journals: DOAJ Articles
5
Copernicus Publications: E-Journals
4
Natural Environment Research Council: NERC Open Research Archive
4
Niedersächsisches Online-Archiv NOA
3
CentAUR: Central Archive at the University of Reading
2
University of Calgary Journal Hosting
2
University of Miami: Digital Collections
2
Unknown
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Cambridge University Press (via Crossref)
1
Digital.CSIC (Spanish National Research Council)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Murdoch University: Murdoch Research Repository
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
SAGE Publications (via Crossref)
1
Scholarly Exchange: E-Journals
1
Springer Nature (via Crossref)
1
Universidad Complutense de Madrid (UCM): E-Prints Complutense
1
University of Canterbury, Christchurch: UC Research Repository
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Université de Nantes: HAL-UNIV-NANTES
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1