Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
203
DataCite Metadata Store (German National Library of Science and Technology)
65
Defense Technical Information Center: DTIC Technical Reports database
43
Unknown
33
Institute for Marine Research: Brage IMR
29
Directory of Open Access Journals: DOAJ Articles
25
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
23
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
18
University of Bergen: Bergen Open Research Archive (BORA-UiB)
14
Copernicus Publications: E-Journals
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
Cambridge University Press
10
Max Planck Society: MPG.PuRe
9
Niedersächsisches Online-Archiv NOA
8
Université de Nantes: HAL-UNIV-NANTES
7
Wiley Online Library
7
University of Tromsø: Munin Open Research Archive
6
Polar Research (E-Journal)
5
Springer Nature (via Crossref)
5
University of Calgary Journal Hosting
5
Zenodo
5
HighWire Press (Stanford University)
4
Natural Environment Research Council: NERC Open Research Archive
4
Naval Postgraduate School: Calhoun
4
PubMed Central (PMC)
4
ScienceDirect (Elsevier - via Crossref)
4
University of Copenhagen: Research
4
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
4
Aarhus University: Research
3
CMRE Open Library (NATO STO Centre for Maritime Research and Experimentation
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
Institut national des sciences de l'Univers: HAL-INSU
3
University of St Andrews: Research Portal
3
University of Tromsø: Septentrio Academic Publishing
3
University of the Highlands and Islands: Research Database of UHI
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
Wiley Online Library (via Crossref)
3
Archives ouvertes de Paris-Saclay
2
CentAUR: Central Archive at the University of Reading
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
ETH Zürich Research Collection
2
HAL Sorbonne Université
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
2
HELDA – University of Helsinki Open Repository
2
Instituto Español de Oceanografía: e-IEO
2
Lund University Publications (LUP)
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
NORCE vitenarkiv (Norwegian Research Centre)
2
Norsk Polarinstitutt: Brage NP
2
Norwegian Polar Institute: Brage NP
2
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