Content Provider
University of Tromsø: Munin Open Research Archive
114
Directory of Open Access Journals: DOAJ Articles
79
Unknown
66
Institute for Marine Research: Brage IMR
59
PANGAEA - Data Publisher for Earth & Environmental Science
44
DataCite Metadata Store (German National Library of Science and Technology)
38
Polar Research (E-Journal)
26
Copernicus Publications: E-Journals
24
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
24
University of Bergen: Bergen Open Research Archive (BORA-UiB)
24
LeibnizOpen (The Leibniz Association)
19
Aarhus University: Research
17
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
17
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
NTNU Open Archive (Norwegian University of Science and Technology)
14
University of Tromsø: Septentrio Academic Publishing
14
HighWire Press (Stanford University)
13
Niedersächsisches Online-Archiv NOA
13
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
11
University of Calgary Journal Hosting
11
PubMed Central (PMC)
10
ScienceDirect (Elsevier - via Crossref)
10
Springer Nature (via Crossref)
10
Institut national des sciences de l'Univers: HAL-INSU
9
Natural Environment Research Council: NERC Open Research Archive
9
Norsk Polarinstitutt: Brage NP
9
Norwegian Polar Institute: Brage NP
9
University of Copenhagen: Research
9
Wiley Online Library
9
ARPI - Archivio della Ricerca dell'Università di Pisa
8
Defense Technical Information Center: DTIC Technical Reports database
8
Digital.CSIC (Spanish National Research Council)
8
University of St Andrews: Research Portal
8
Apollo - University of Cambridge Repository
7
MDPI Open Access Publishing
7
Norwegian Institute for Nature Research: Brage NINA
7
Université de Nantes: HAL-UNIV-NANTES
7
Lund University Publications (LUP)
6
Polar Research
6
University of the Highlands and Islands: Research Database of UHI
6
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
5
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
5
Université de Bretagne Occidentale: HAL
5
Cambridge University Press
4
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
4
Ghent University Academic Bibliography
4
NGU Open Archive (Geological Survey of Norway)
4
National Institute of Polar Research Repository, Japan
4
University of Alberta: Era - Education and Research Archive
4
University of Southampton: e-Prints Soton
4
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