Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
153
Defense Technical Information Center: DTIC Technical Reports database
87
DataCite Metadata Store (German National Library of Science and Technology)
45
Directory of Open Access Journals: DOAJ Articles
33
Unknown
33
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
31
Copernicus Publications: E-Journals
23
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
Institut national des sciences de l'Univers: HAL-INSU
12
Niedersächsisches Online-Archiv NOA
12
Technical University of Denmark: DTU Orbit
10
Université de Nantes: HAL-UNIV-NANTES
10
Wiley Online Library
10
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
8
Cambridge University Press
8
University of the Highlands and Islands: Research Database of UHI
8
Aarhus University: Research
7
Springer Nature (via Crossref)
7
Griffith University: Griffith Research Online
6
HAL Sorbonne Université
6
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
6
Norsk Polarinstitutt: Brage NP
6
Norwegian Polar Institute: Brage NP
6
University of Bergen: Bergen Open Research Archive (BORA-UiB)
6
University of Tromsø: Munin Open Research Archive
6
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
6
Max Planck Society: MPG.PuRe
5
National Institute of Polar Research Repository, Japan
5
Natural Environment Research Council: NERC Open Research Archive
5
Naval Postgraduate School: Calhoun
5
ScienceDirect (Elsevier - via Crossref)
5
University of Calgary Journal Hosting
5
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
5
Aarhus University: OJS at The State and University Library
4
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
HighWire Press (Stanford University)
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
MDPI Open Access Publishing
4
PubMed Central (PMC)
4
Tidsskrift.dk (The Royal Library, Denmark)
4
University of East Anglia: UEA Digital Repository
4
University of Southampton: e-Prints Soton
4
Utrecht University Repository
4
École Polytechnique, Université Paris-Saclay: HAL
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
3
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
3
Lund University Publications (LUP)
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
ORA - Oxford University Research Archive
3
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