Content Provider
ACS Publications
570
ACS Publications (via Crossref)
187
PANGAEA - Data Publisher for Earth & Environmental Science
86
PubMed Central (PMC)
53
Aarhus University: Research
46
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
45
DataCite Metadata Store (German National Library of Science and Technology)
34
Institut national des sciences de l'Univers: HAL-INSU
34
Université de Nantes: HAL-UNIV-NANTES
33
Digital.CSIC (Spanish National Research Council)
30
Lancaster University: Lancaster Eprints
26
Hereon Publications (Helmholtz-Zentrum)
23
Natural Environment Research Council: NERC Open Research Archive
23
BORIS (Bern Open Repository and Information System, University of Bern)
21
Université Grenoble Alpes: HAL
19
University of Copenhagen: Research
18
Wageningen UR (University & Research Centre): Digital Library
18
NILU – Norwegian Institute for Air Research: NILU Brage
16
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
16
University of Rhode Island: DigitalCommons@URI
16
Unknown
15
Université Savoie Mont Blanc: HAL
14
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
13
Technical University of Denmark: DTU Orbit
13
HAL - Université de La Rochelle
12
University of Southern Denmark Research Portal
12
University of Tromsø: Munin Open Research Archive
12
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
11
Peking University Institutional Repository (PKU IR)
11
University of Michigan: Deep Blue
11
Caltech Authors (California Institute of Technology)
10
DORA Empa
10
Ghent University Academic Bibliography
10
University of Windsor, Ontario: Scholarship at UWindsor
10
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
9
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
9
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
9
Harvard University: DASH - Digital Access to Scholarship at Harvard
8
IRUA - Institutional Repository van de Universiteit Antwerpen
8
Leuphana University of Lüneburg: Forschungsindex FOX
8
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
8
Portail HAL-ANR (Agence Nationale de la Recherche)
8
Université Toulouse III - Paul Sabatier: HAL-UPS
8
Vrije Universiteit Amsterdam (VU): Research Portal
8
EPHE (Ecole pratique des hautes études, Paris): HAL
7
Griffith University: Griffith Research Online
7
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences)
7
The University of Queensland: UQ eSpace
7
University of Liège: ORBi (Open Repository and Bibliography)
7
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
7
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