Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
171
DataCite Metadata Store (German National Library of Science and Technology)
130
Directory of Open Access Journals: DOAJ Articles
77
Unknown
57
University of Tromsø: Munin Open Research Archive
52
Defense Technical Information Center: DTIC Technical Reports database
50
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
44
Copernicus Publications: E-Journals
33
Institute for Marine Research: Brage IMR
26
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
25
University of Southampton: e-Prints Soton
23
University of Bergen: Bergen Open Research Archive (BORA-UiB)
20
Zenodo
20
LeibnizOpen (The Leibniz Association)
19
Natural Environment Research Council: NERC Open Research Archive
17
Niedersächsisches Online-Archiv NOA
16
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
15
MDPI Open Access Publishing
15
Institut national des sciences de l'Univers: HAL-INSU
13
PubMed Central (PMC)
13
Université de Bretagne Occidentale: HAL
9
Université de Nantes: HAL-UNIV-NANTES
9
Max Planck Society: MPG.PuRe
8
Springer Nature (via Crossref)
8
University of the Highlands and Islands: Research Database of UHI
8
NIOZ Repository (Royal Netherlands Institute for Sea Research)
7
Polar Research (E-Journal)
7
Aarhus University: Research
6
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
6
Instituto Español de Oceanografía: e-IEO
6
Lund University Publications (LUP)
6
Griffith University: Griffith Research Online
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
ScienceDirect (Elsevier - via Crossref)
5
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
5
University of Calgary Journal Hosting
5
White Rose Research Online (Universities of Leeds, Sheffield & York)
5
Wiley Online Library (via Crossref)
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
Arctic Review on Law and Politics
4
Cambridge University Press
4
Digital.CSIC (Spanish National Research Council)
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
GEO-LEOe-docs (FID GEO)
4
Hereon Publications (Helmholtz-Zentrum)
4
NTNU Open Archive (Norwegian University of Science and Technology)
4
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
4
ORA - Oxford University Research Archive
4
The Royal Society (via Crossref)
4
University College London: UCL Discovery
4
more ...