Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
2,411
DataCite Metadata Store (German National Library of Science and Technology)
1,107
Directory of Open Access Journals: DOAJ Articles
580
Defense Technical Information Center: DTIC Technical Reports database
520
Unknown
446
Copernicus Publications: E-Journals
300
Niedersächsisches Online-Archiv NOA
206
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
195
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
178
LeibnizOpen (The Leibniz Association)
157
PubMed Central (PMC)
119
Université de Nantes: HAL-UNIV-NANTES
115
University of Tromsø: Munin Open Research Archive
113
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
84
University of Bergen: Bergen Open Research Archive (BORA-UiB)
80
Natural Environment Research Council: NERC Open Research Archive
75
Zenodo
75
Wiley Online Library
74
MDPI Open Access Publishing
69
Max Planck Society: MPG.PuRe
69
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
67
Institut national des sciences de l'Univers: HAL-INSU
67
University of Southampton: e-Prints Soton
65
Springer Nature (via Crossref)
61
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
56
Technical University of Denmark: DTU Orbit
50
University College London: UCL Discovery
50
HAL Sorbonne Université
48
National Institute of Polar Research Repository, Japan
48
University of Calgary Journal Hosting
44
Institute for Marine Research: Brage IMR
40
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
40
Aarhus University: Research
36
Arctic Portal Library
35
eCite UTAS (University of Tasmania)
35
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
34
ScienceDirect (Elsevier - via Crossref)
34
University of Tasmania: UTas ePrints
32
Cambridge University Press
31
Digital.CSIC (Spanish National Research Council)
31
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
31
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
31
The Royal Society
27
GEO-LEOe-docs (FID GEO)
26
Polar Research (E-Journal)
24
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
23
Université de Bretagne Occidentale: HAL
23
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
22
JPL Technical Report Server
22
Archives ouvertes de Paris-Saclay
21
more ...