Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
735
Unknown
133
Copernicus Publications: E-Journals
64
Directory of Open Access Journals: DOAJ Articles
64
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
58
PANGAEA - Data Publisher for Earth & Environmental Science
57
Institut national des sciences de l'Univers: HAL-INSU
50
Université de Nantes: HAL-UNIV-NANTES
46
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
43
Niedersächsisches Online-Archiv NOA
39
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
37
University of Copenhagen: Research
37
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
36
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
35
University College London: UCL Discovery
30
University of California: eScholarship
27
BORIS (Bern Open Repository and Information System, University of Bern)
26
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
23
University of St Andrews: Research Portal
22
LeibnizOpen (The Leibniz Association)
21
Lund University Publications (LUP)
21
HAL Sorbonne Université
17
Université Grenoble Alpes: HAL
17
Natural Environment Research Council: NERC Open Research Archive
15
University of Southampton: e-Prints Soton
15
Université Savoie Mont Blanc: HAL
15
Archives ouvertes de Paris-Saclay
14
Digital.CSIC (Spanish National Research Council)
14
Arctic Data Center (via DataONE)
13
Cambridge University Press
13
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
13
ScholarsArchive@OSU (Oregon State University)
13
University of Cambridge, Department of Earth Sciences: ESC Publications
13
EPHE (Ecole pratique des hautes études, Paris): HAL
12
PubMed Central (PMC)
11
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
11
Wiley Online Library
11
Aarhus University: Research
10
Aix-Marseille Université: HAL
9
DIAL@UCLouvain (Université catholique de Louvain)
9
DIAL@USL-B (Université Saint-Louis, Bruxelles)
9
Royal Holloway University of London: Royal Holloway Digital Repository
9
SAGE Publications
9
University of Glasgow: Enlighten - Publications
9
Apollo - University of Cambridge Repository
8
Digital Commons University of South Florida (USF)
8
Vrije Universiteit Amsterdam (VU): Research Portal
8
AAAS Resource Center (American Association for the Advancement of Science)
7
CentAUR: Central Archive at the University of Reading
7
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
7
more ...