Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
85
PANGAEA - Data Publisher for Earth & Environmental Science
69
Directory of Open Access Journals: DOAJ Articles
40
LeibnizOpen (The Leibniz Association)
38
Copernicus Publications: E-Journals
22
Unknown
22
Natural Environment Research Council: NERC Open Research Archive
19
Niedersächsisches Online-Archiv NOA
16
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
13
German Aerospace Center: elib - DLR electronic library
11
PubMed Central (PMC)
11
Texas Tech University: TTU DSpace Repository
11
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
National Institute of Polar Research Repository, Japan
7
Ege University Institutional Repository
6
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
6
Université de Nantes: HAL-UNIV-NANTES
6
Utrecht University Repository
6
KovsieScholar Repository (University of the Free State - UFS UV)
5
Cambridge University Press
4
DataCite
4
Freie Universität Berlin: Refubium (FU Berlin)
4
Institut national des sciences de l'Univers: HAL-INSU
4
MDPI Open Access Publishing
4
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
4
Université Grenoble Alpes: HAL
4
Institutional Repository of Leibniz Universität Hannover
3
Wageningen UR (University & Research Centre): Digital Library
3
eCite UTAS (University of Tasmania)
3
Çukurova University Institutional Repository
3
Australian National University: ANU Digital Collections
2
Dialnet - Portada de revistas (Universidad de La Rioja)
2
GEO-LEOe-docs (FID GEO)
2
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Georg-August-Universität Göttingen: GOEDOC
2
Ghent University Academic Bibliography
2
Journal of large-scale research facilities (JLSRF)
2
Kocaeli University Research Information System
2
NASA Technical Reports Server (NTRS)
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
RePEc (Research Papers in Economics)
2
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
2
ScienceDirect (Elsevier - via Crossref)
2
Springer Nature (via Crossref)
2
Stockholm University Press
2
University of California: eScholarship
2
University of Colorado, Boulder: CU Scholar
2
University of Copenhagen: Research
2
University of Tasmania: UTas ePrints
2
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