Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
4,369
DataCite Metadata Store (German National Library of Science and Technology)
590
Institute for Marine Research: Brage IMR
232
Unknown
174
Directory of Open Access Journals: DOAJ Articles
169
Defense Technical Information Center: DTIC Technical Reports database
167
ScienceDirect (Elsevier - via Crossref)
108
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
104
University of Bergen: Bergen Open Research Archive (BORA-UiB)
104
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
80
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
63
LeibnizOpen (The Leibniz Association)
61
HighWire Press (Stanford University)
60
NTNU Open Archive (Norwegian University of Science and Technology)
60
University of Tromsø: Munin Open Research Archive
59
Wiley Online Library (via Crossref)
58
Copernicus Publications: E-Journals
54
Université de Nantes: HAL-UNIV-NANTES
43
Springer Nature (via Crossref)
41
ScienceDirect (Elsevier)
40
Niedersächsisches Online-Archiv NOA
38
University of Stavanger: UiS Brage
37
Wiley Online Library
33
Cambridge University Press
32
Institut national des sciences de l'Univers: HAL-INSU
32
Informa (via Crossref)
31
PubMed Central (PMC)
31
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
28
Natural Environment Research Council: NERC Open Research Archive
27
MDPI Open Access Publishing
25
Oxford University Press
25
Zenodo
25
Technical University of Denmark: DTU Orbit
20
University of Southampton: e-Prints Soton
18
University of St Andrews: Research Portal
18
Max Planck Society: MPG.PuRe
15
Oxford University Press (via Crossref)
15
University of the Highlands and Islands: Research Database of UHI
15
Digital.CSIC (Spanish National Research Council)
14
Polar Research (E-Journal)
14
Biodiversity Heritage Library (BHL)
13
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
13
Hereon Publications (Helmholtz-Zentrum)
11
Lund University Publications (LUP)
11
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
10
Norwegian Institute for Nature Research: Brage NINA
10
University of Calgary Journal Hosting
10
University of Cambridge, Department of Earth Sciences: ESC Publications
10
University of Copenhagen: Research
10
SINTEF Open (Brage)
9
more ...