Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
23
PANGAEA - Data Publisher for Earth & Environmental Science
20
LeibnizOpen (The Leibniz Association)
18
Copernicus Publications: E-Journals
6
Directory of Open Access Journals: DOAJ Articles
6
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
6
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
KovsieScholar Repository (University of the Free State - UFS UV)
5
Niedersächsisches Online-Archiv NOA
5
DataCite
4
Unknown
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
ETH Zürich Research Collection
1
Frontiers (Publisher)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
German Aerospace Center: elib - DLR electronic library
1
Harvard University: Harvard Collections
1
MDPI Open Access Publishing
1
Max Planck Society: MPG.PuRe
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
Natural Environment Research Council: NERC Open Research Archive
1
ORA - Oxford University Research Archive
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
Polar Research (E-Journal)
1
PubMed Central (PMC)
1
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
1
University of California: eScholarship
1
University of Colorado, Boulder: CU Scholar
1
University of Vienna: u:theses
1
University of Washington, Seattle: ResearchWorks
1
Utrecht University Repository
1