Content Provider
Unknown
92
DataCite Metadata Store (German National Library of Science and Technology)
87
LeibnizOpen (The Leibniz Association)
85
Directory of Open Access Journals: DOAJ Articles
77
PANGAEA - Data Publisher for Earth & Environmental Science
63
Copernicus Publications: E-Journals
55
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
46
Institut national des sciences de l'Univers: HAL-INSU
41
Niedersächsisches Online-Archiv NOA
40
Natural Environment Research Council: NERC Open Research Archive
35
Université de Nantes: HAL-UNIV-NANTES
31
eCite UTAS (University of Tasmania)
27
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
26
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
26
PubMed Central (PMC)
24
Utrecht University Repository
23
University of Southampton: e-Prints Soton
22
Cambridge University Press
18
DIAL@UCLouvain (Université catholique de Louvain)
18
DIAL@USL-B (Université Saint-Louis, Bruxelles)
18
Archives ouvertes de Paris-Saclay
17
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
17
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
16
HAL Sorbonne Université
16
University of Bristol: Bristol Research
15
University of Tasmania: UTas ePrints
15
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
14
Northumbria University, Newcastle: Northumbria Research Link (NRL)
14
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
12
Université Grenoble Alpes: HAL
12
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
11
Muséum National d'Histoire Naturelle (MNHM): HAL
10
University of California: eScholarship
10
École Polytechnique, Université Paris-Saclay: HAL
10
NIOZ Repository (Royal Netherlands Institute for Sea Research)
9
Vrije Universiteit Amsterdam (VU): Research Portal
9
EPHE (Ecole pratique des hautes études, Paris): HAL
8
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
8
Université de Paris: Portail HAL
8
CentAUR: Central Archive at the University of Reading
7
HAL de l'Institut Polytechnique de Paris
7
Keele University: Keele Research Repository
7
Max Planck Society: MPG.PuRe
7
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
7
University of Bergen: Bergen Open Research Archive (BORA-UiB)
7
White Rose Research Online (Universities of Leeds, Sheffield & York)
7
Apollo - University of Cambridge Repository
6
Cardiff University: ORCA (Online Research @ Cardiff)
6
Cologne University: KUPS
6
Springer Nature (via Crossref)
6
more ...