Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
421
PANGAEA - Data Publisher for Earth & Environmental Science
302
Unknown
115
Directory of Open Access Journals: DOAJ Articles
82
Copernicus Publications: E-Journals
79
Niedersächsisches Online-Archiv NOA
48
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
44
Institut national des sciences de l'Univers: HAL-INSU
42
Natural Environment Research Council: NERC Open Research Archive
40
Université de Nantes: HAL-UNIV-NANTES
36
eCite UTAS (University of Tasmania)
31
University of Copenhagen: Research
28
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
23
LeibnizOpen (The Leibniz Association)
21
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
21
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
20
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
19
University of Tasmania: UTas ePrints
18
Apollo - University of Cambridge Repository
17
Université Grenoble Alpes: HAL
17
PubMed Central (PMC)
16
Université Savoie Mont Blanc: HAL
16
Cambridge University Press
14
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
14
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
13
BORIS (Bern Open Repository and Information System, University of Bern)
12
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
12
University of Cambridge, Department of Earth Sciences: ESC Publications
12
DIAL@USL-B (Université Saint-Louis, Bruxelles)
11
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
11
National Institute of Polar Research Repository, Japan
11
DIAL@UCLouvain (Université catholique de Louvain)
10
EPHE (Ecole pratique des hautes études, Paris): HAL
10
University of Bristol: Bristol Research
10
Aarhus University: Research
9
HAL Sorbonne Université
9
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
9
Digital.CSIC (Spanish National Research Council)
8
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
8
École Polytechnique, Université Paris-Saclay: HAL
8
Lund University Publications (LUP)
7
Wiley Online Library
7
Wiley Online Library (via Crossref)
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Archives ouvertes de Paris-Saclay
6
CentAUR: Central Archive at the University of Reading
6
Muséum National d'Histoire Naturelle (MNHM): HAL
6
Springer Nature (via Crossref)
6
University of Southampton: e-Prints Soton
6
Utrecht University Repository
6
more ...