Content Provider
LeibnizOpen (The Leibniz Association)
61
DataCite Metadata Store (German National Library of Science and Technology)
8
Unknown
6
Copernicus Publications: E-Journals
5
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
DataCite
2
German Aerospace Center: elib - DLR electronic library
2
Institut national des sciences de l'Univers: HAL-INSU
2
KITopen (Karlsruhe Institute of Technologie)
2
Niedersächsisches Online-Archiv NOA
2
ARCIMÍS (Archivo Climatológico y Meteorológico Institucional - AEMET, Agencia Estatal de Meteorología)
1
Gutenberg Open Science (Open-Science-Repository of the Johannes Gutenberg-University Mainz)
1
HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand/Université d'Auvergne)
1
LIU - Linköping University: Publications (DiVA)
1
PubMed Central (PMC)
1
Springer Nature (via Crossref)
1
University of Hertfordshire: UH Research Archive
1
Université de Nantes: HAL-UNIV-NANTES
1