Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
542
Natural Environment Research Council: NERC Open Research Archive
50
PANGAEA - Data Publisher for Earth & Environmental Science
23
Unknown
23
Directory of Open Access Journals: DOAJ Articles
19
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
14
Copernicus Publications: E-Journals
13
Australian National University: ANU Digital Collections
12
Niedersächsisches Online-Archiv NOA
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Institut national des sciences de l'Univers: HAL-INSU
7
Cambridge University Press
6
MDPI Open Access Publishing
6
Université de Nantes: HAL-UNIV-NANTES
6
Apollo - University of Cambridge Repository
5
The University of Maine: DigitalCommons@UMaine
5
University College London: UCL Discovery
5
Utrecht University Repository
5
University of California: eScholarship
4
University of Cambridge, Department of Earth Sciences: ESC Publications
4
University of East Anglia: UEA Digital Repository
4
University of Tasmania: UTas ePrints
4
Université Grenoble Alpes: HAL
4
Wiley Online Library
4
eCite UTAS (University of Tasmania)
4
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
3
Brunel University London: Brunel University Research Archive (BURA)
3
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
3
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
3
Research Data Australia (Australian National Data Service - ANDS)
3
Springer Nature (via Crossref)
3
Université Savoie Mont Blanc: HAL
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
Archives ouvertes de Paris-Saclay
2
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Caltech Authors (California Institute of Technology)
2
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
2
Digital Commons University of South Florida (USF)
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
HAL Sorbonne Université
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
2
IEDA: US Antarctic Program Data Center (via DataONE)
2
NASA Technical Reports Server (NTRS)
2
OSKAR Bordeaux (Open Science Knowledge ARchive)
2
PubMed Central (PMC)
2
Rice University: Digital Scholarship Archive
2
SAGE Publications
2
The University of Manchester: Research Explorer
2
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
2
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