Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
355
HighWire Press (Stanford University)
188
PANGAEA - Data Publisher for Earth & Environmental Science
155
Wiley Online Library
110
Unknown
87
Directory of Open Access Journals: DOAJ Articles
83
Institute for Marine Research: Brage IMR
82
Oxford University Press
76
ScienceDirect (Elsevier - via Crossref)
69
Technical University of Denmark: DTU Orbit
62
PubMed Central (PMC)
59
Cambridge University Press
58
Oxford University Press (via Crossref)
56
University of Tromsø: Munin Open Research Archive
54
Springer Nature (via Crossref)
49
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
48
ScienceDirect (Elsevier)
47
Institut national des sciences de l'Univers: HAL-INSU
40
NTNU Open Archive (Norwegian University of Science and Technology)
40
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
33
Aarhus University: Research
31
University of the Highlands and Islands: Research Database of UHI
28
Canadian Science Publishing (via Crossref)
24
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
23
SINTEF Open (Brage)
22
Université de Nantes: HAL-UNIV-NANTES
22
Wiley Online Library (via Crossref)
21
Informa
18
Canadian Science Publishing
16
Informa (via Crossref)
15
University of Strathclyde Glasgow: Strathprints
15
Université de Toulon: HAL
15
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
15
Natural Environment Research Council: NERC Open Research Archive
14
Wageningen UR (University & Research Centre): Digital Library
14
Aix-Marseille Université: HAL
13
LillOA (HAL Lille Open Archive, Université de Lille)
13
Open archive Nord universitet
12
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
12
ScholarsArchive@OSU (Oregon State University)
11
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
10
MDPI Open Access Publishing
10
Roskilde University Research Portal (RUC)
10
The Royal Society
10
University of Bergen: Bergen Open Research Archive (BORA-UiB)
10
University of Copenhagen: Research
10
University of Stirling: Stirling Digital Research Repository
9
Zenodo
9
Digital.CSIC (Spanish National Research Council)
8
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
8
more ...