Content Provider
Directory of Open Access Journals: DOAJ Articles
310
Unknown
291
eCite UTAS (University of Tasmania)
215
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
198
Copernicus Publications: E-Journals
177
DataCite Metadata Store (German National Library of Science and Technology)
156
Université de Nantes: HAL-UNIV-NANTES
146
University of Tasmania: UTas ePrints
141
Natural Environment Research Council: NERC Open Research Archive
128
LeibnizOpen (The Leibniz Association)
120
Niedersächsisches Online-Archiv NOA
101
DIAL@USL-B (Université Saint-Louis, Bruxelles)
92
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
88
PubMed Central (PMC)
79
PANGAEA - Data Publisher for Earth & Environmental Science
72
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
69
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
69
Institut national des sciences de l'Univers: HAL-INSU
58
University of Southampton: e-Prints Soton
57
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
46
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
42
Springer Nature (via Crossref)
38
University of St Andrews: Research Portal
38
National Institute of Polar Research Repository, Japan
37
DIAL@UCLouvain (Université catholique de Louvain)
34
MDPI Open Access Publishing
31
ScienceDirect (Elsevier - via Crossref)
29
University of East Anglia: UEA Digital Repository
29
University of California: eScholarship
28
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
26
Max Planck Society: MPG.PuRe
25
Digital.CSIC (Spanish National Research Council)
24
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
24
University of Groningen research database
24
DSpace@MIT (Massachusetts Institute of Technology)
22
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
18
École Polytechnique, Université Paris-Saclay: HAL
18
Defense Technical Information Center: DTIC Technical Reports database
17
Cambridge University Press
16
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
16
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
16
Caltech Authors (California Institute of Technology)
15
University of Cape Town: OpenUCT
15
Université Grenoble Alpes: HAL
15
The University of Adelaide: Digital Library
14
University of Canterbury, Christchurch: UC Research Repository
14
Utrecht University Repository
14
Wiley Online Library
14
Cardiff University: ORCA (Online Research @ Cardiff)
13
HAL - Université de La Rochelle
13
more ...