Content Provider
DataCite
134
DataCite Metadata Store (German National Library of Science and Technology)
99
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
51
Zenodo
50
Unknown
45
PANGAEA - Data Publisher for Earth & Environmental Science
44
Natural Environment Research Council: NERC Open Research Archive
34
Cambridge University Press
23
Geological Society of London: Figshare
20
Central Washington University: ScholarWorks
17
ScienceDirect (Elsevier - via Crossref)
15
Australian National University: ANU Digital Collections
13
Directory of Open Access Journals: DOAJ Articles
12
IEDA: US Antarctic Program Data Center (via DataONE)
12
Ohio State University (OSU): Knowledge Bank
12
WikiBooks - Open-content textbooks
11
Columbia University: Academic Commons
8
HighWire Press (Stanford University)
8
Macquarie University Research Portal
8
Wiley Online Library
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
IEDA: Marine-Geo Digital Library (via DataONE)
6
Institut national des sciences de l'Univers: HAL-INSU
6
JPL Technical Report Server
6
Springer Nature (via Crossref)
6
The University of Texas at Austin: Texas ScholarWorks
6
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
6
Université de Nantes: HAL-UNIV-NANTES
6
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
Informa
5
Oxford University Press
5
The University of Waikato: Research Commons
5
Université Grenoble Alpes: HAL
5
AAAS Resource Center (American Association for the Advancement of Science)
4
Imperial College London: Spiral
4
Indiana University - Purdue University Indianapolis: IUPUI Scholar Works
4
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
4
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
Texas Tech University: TTU DSpace Repository
4
University of St Andrews: Research Portal
4
University of Tasmania: UTas ePrints
4
ARPI - Archivio della Ricerca dell'Università di Pisa
3
Annals of Geophysics (INGV, Istituto Nazionale di Geofisica e Vulcanologia)
3
Caltech Authors (California Institute of Technology)
3
Defense Technical Information Center: DTIC Technical Reports database
3
Digital Commons University of South Florida (USF)
3
The Open University: Open Research Online (ORO)
3
Université Savoie Mont Blanc: HAL
3
White Rose Research Online (Universities of Leeds, Sheffield & York)
3
eCite UTAS (University of Tasmania)
3
more ...