Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
399
Directory of Open Access Journals: DOAJ Articles
115
LeibnizOpen (The Leibniz Association)
110
DataCite Metadata Store (German National Library of Science and Technology)
81
Unknown
72
Copernicus Publications: E-Journals
63
Aarhus University: Research
59
University of Tromsø: Munin Open Research Archive
49
Niedersächsisches Online-Archiv NOA
39
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
37
Institute for Marine Research: Brage IMR
30
PubMed Central (PMC)
28
Cambridge University Press
26
Technical University of Denmark: DTU Orbit
23
Université de Nantes: HAL-UNIV-NANTES
23
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
22
University of Copenhagen: Research
22
Polar Research (E-Journal)
20
Institut national des sciences de l'Univers: HAL-INSU
19
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
18
Wiley Online Library
17
Lund University Publications (LUP)
16
University of Calgary Journal Hosting
15
Defense Technical Information Center: DTIC Technical Reports database
14
Digital.CSIC (Spanish National Research Council)
13
MDPI Open Access Publishing
13
HighWire Press (Stanford University)
12
NTNU Open Archive (Norwegian University of Science and Technology)
12
ScienceDirect (Elsevier - via Crossref)
12
Springer Nature (via Crossref)
12
University of Bergen: Bergen Open Research Archive (BORA-UiB)
12
National Institute of Polar Research Repository, Japan
11
University of Tromsø: Septentrio Academic Publishing
11
Natural Environment Research Council: NERC Open Research Archive
9
Instituto Español de Oceanografía: e-IEO
8
Norsk Polarinstitutt: Brage NP
8
Apollo - University of Cambridge Repository
7
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
7
Norwegian Polar Institute: Brage NP
7
University of Groningen research database
7
Uppsala University: Publications (DiVA)
7
University of Southampton: e-Prints Soton
6
University of St Andrews: Research Portal
6
norden (Nordic Council of Ministers): Publications (DiVA)
6
Aarhus University: OJS at The State and University Library
5
DataCite
5
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
5
University of Bristol: Bristol Research
5
Wageningen UR (University & Research Centre): Digital Library
5
Wiley Online Library (via Crossref)
5
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