Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
9
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
6
Directory of Open Access Journals: DOAJ Articles
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Copernicus Publications: E-Journals
1
Defense Technical Information Center: DTIC Technical Reports database
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
German Aerospace Center: elib - DLR electronic library
1
MDPI Open Access Publishing
1
Max Planck Society: MPG.PuRe
1
Natural Environment Research Council: NERC Open Research Archive
1
Niedersächsisches Online-Archiv NOA
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Texas Tech University: TTU DSpace Repository
1
University of Washington, Seattle: ResearchWorks
1
Utrecht University Repository
1
Zenodo
1