Content Provider
LeibnizOpen (The Leibniz Association)
20
Copernicus Publications: E-Journals
19
Directory of Open Access Journals: DOAJ Articles
14
Niedersächsisches Online-Archiv NOA
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
MDPI Open Access Publishing
4
DataCite Metadata Store (German National Library of Science and Technology)
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
Aarhus University: Research
2
Arctic Portal Library
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
Université Grenoble Alpes: HAL
2
Université de Nantes: HAL-UNIV-NANTES
2
Unknown
2
CentAUR: Central Archive at the University of Reading
1
DIGIBUG: Repositorio Institucional de la Universidad de Granada
1
Digital.CSIC (Spanish National Research Council)
1
Georgia Institute of Technology: SMARTech - Scholarly Materials and Research at Georgia Tech
1
HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand/Université d'Auvergne)
1
HighWire Press (Stanford University)
1
Hindawi Publishing Corporation
1
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
Joint Research Centre, European Commission: JRC Publications Repository
1
KITopen (Karlsruhe Institute of Technologie)
1
NILU – Norwegian Institute for Air Research: NILU Brage
1
National Institute of Polar Research Repository, Japan
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
University of Copenhagen: Research
1
Université Savoie Mont Blanc: HAL
1
Wiley Online Library
1