Content Provider
Directory of Open Access Journals: DOAJ Articles
1,044
Unknown
465
LeibnizOpen (The Leibniz Association)
370
DataCite Metadata Store (German National Library of Science and Technology)
366
Wiley Online Library
344
PubMed Central (PMC)
340
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
213
Copernicus Publications: E-Journals
188
Université de Nantes: HAL-UNIV-NANTES
143
PANGAEA - Data Publisher for Earth & Environmental Science
130
Institut national des sciences de l'Univers: HAL-INSU
128
Niedersächsisches Online-Archiv NOA
127
Springer Nature (via Crossref)
85
MDPI Open Access Publishing
73
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
68
University of Tromsø: Munin Open Research Archive
65
HAL Sorbonne Université
63
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
63
Wiley Online Library (via Crossref)
60
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
57
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
57
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
55
Cambridge University Press
55
HighWire Press (Stanford University)
50
Archives ouvertes de Paris-Saclay
45
Natural Environment Research Council: NERC Open Research Archive
45
Université Grenoble Alpes: HAL
45
University of Copenhagen: Research
43
École Polytechnique, Université Paris-Saclay: HAL
42
Max Planck Society: MPG.PuRe
40
ASM Journals (American Society for Microbiology)
39
eCite UTAS (University of Tasmania)
39
Aarhus University: Research
37
Digital.CSIC (Spanish National Research Council)
37
Lund University Publications (LUP)
37
ETH Zürich Research Collection
36
Utrecht University Repository
36
Defense Technical Information Center: DTIC Technical Reports database
35
University of Liège: ORBi (Open Repository and Bibliography)
35
Canadian Science Publishing (via Crossref)
34
BioMed Central
32
DIAL@USL-B (Université Saint-Louis, Bruxelles)
32
Muséum National d'Histoire Naturelle (MNHM): HAL
32
University of California: eScholarship
32
Université Savoie Mont Blanc: HAL
32
DIAL@UCLouvain (Université catholique de Louvain)
31
University of Southampton: e-Prints Soton
30
Université de Paris: Portail HAL
30
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
29
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
29
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