Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
1,135
DataCite
271
DataCite Metadata Store (German National Library of Science and Technology)
79
ScienceDirect (Elsevier - via Crossref)
27
Natural Environment Research Council: NERC Open Research Archive
24
ScienceDirect (Elsevier)
20
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
16
Springer Nature (via Crossref)
11
Copernicus Publications: E-Journals
10
PubMed Central (PMC)
8
Cologne University: KUPS
7
Wiley Online Library
7
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
6
Niedersächsisches Online-Archiv NOA
6
Unknown
6
Cambridge University Press
5
ETH Zürich Research Collection
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
BORIS (Bern Open Repository and Information System, University of Bern)
4
Georg-August-Universität Göttingen: GoeScholar
4
Rice University: Digital Scholarship Archive
4
University of Canberra Research Portal
4
University of Southampton: e-Prints Soton
4
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
3
GEO-LEOe-docs (FID GEO)
3
Institut national des sciences de l'Univers: HAL-INSU
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
Université de Nantes: HAL-UNIV-NANTES
3
ePLUS - Open Access Publikationsserver der Universität Salzburg
3
AAAS Resource Center (American Association for the Advancement of Science)
2
Columbia University: Academic Commons
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
The Royal Society
2
The University of Waikato: Research Commons
2
University of Cambridge, Department of Earth Sciences: ESC Publications
2
University of Potsdam: publish.UP
2
University of Tromsø: Munin Open Research Archive
2
Università degli Studi di Siena: USiena air
2
Université de Lausanne (UNIL): Serval - Serveur académique lausannois
2
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
2
Utrecht University Repository
2
Vrije Universiteit Amsterdam (VU): Research Portal
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Apollo - University of Cambridge Repository
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Ghent University Academic Bibliography
1
HAL Sorbonne Université
1
HELDA – University of Helsinki Open Repository
1
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