Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
9,306
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
517
Unknown
420
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
406
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
317
Zenodo
287
Institut national des sciences de l'Univers: HAL-INSU
281
Université de Nantes: HAL-UNIV-NANTES
240
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
195
da|ra - Registration agency for social and economic data
194
HAL Sorbonne Université
164
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
156
Directory of Open Access Journals: DOAJ Articles
153
Digital.CSIC (Spanish National Research Council)
108
Université Grenoble Alpes: HAL
105
Archives ouvertes de Paris-Saclay
101
University of Liège: ORBi (Open Repository and Bibliography)
89
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
81
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
80
IIASA PURE (International Institute of Applied Systems Analysis: PUblications REpository)
78
Université Savoie Mont Blanc: HAL
76
Université de Paris: Portail HAL
75
WikiBooks - Open-content textbooks
72
PANGAEA - Data Publisher for Earth & Environmental Science
69
UNESDOC - UNESCO Digital Library
64
École Polytechnique, Université Paris-Saclay: HAL
63
Aarhus University: Research
60
David Rumsey Historical Map Collection (Cartography Associates)
59
RePEc (Research Papers in Economics)
53
Muséum National d'Histoire Naturelle (MNHM): HAL
48
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
47
Archive Ouverte de l'Université Rennes (HAL)
46
Wiley Online Library
44
Cambridge University Press
43
Université de Rennes 1: Publications scientifiques (HAL)
43
PubMed Central (PMC)
42
German Aerospace Center: elib - DLR electronic library
41
Archive de l'Observatoire de Paris (HAL)
39
Université d'Orléans: HAL
37
North Dakota State University (NDSU): Digital Horizons
36
University of Copenhagen: Research
36
University of Pittsburgh: Archive of European Integration (AEI)
35
Niedersächsisches Online-Archiv NOA
34
The digital State Library of Upper Austria (oö)
33
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
31
Copernicus Publications: E-Journals
28
EPHE (Ecole pratique des hautes études, Paris): HAL
27
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
27
Météo-France: HAL
27
University of Vienna: u:theses
27
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