Content Provider
Directory of Open Access Journals: DOAJ Articles
64
DataCite Metadata Store (German National Library of Science and Technology)
47
Institute for Marine Research: Brage IMR
37
Unknown
37
University of Tromsø: Munin Open Research Archive
33
PANGAEA - Data Publisher for Earth & Environmental Science
32
Wiley Online Library
31
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
24
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
20
Institut national des sciences de l'Univers: HAL-INSU
17
Copernicus Publications: E-Journals
16
University of Bergen: Bergen Open Research Archive (BORA-UiB)
14
Université de Nantes: HAL-UNIV-NANTES
14
Defense Technical Information Center: DTIC Technical Reports database
12
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
12
HAL Sorbonne Université
10
École Polytechnique, Université Paris-Saclay: HAL
10
Cambridge University Press
9
Niedersächsisches Online-Archiv NOA
9
Zenodo
9
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
8
Digital.CSIC (Spanish National Research Council)
8
Natural Environment Research Council: NERC Open Research Archive
8
Norwegian Institute for Nature Research: Brage NINA
8
PubMed Central (PMC)
8
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
7
HighWire Press (Stanford University)
7
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
7
Technical University of Denmark: DTU Orbit
7
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
7
Aarhus University: Research
6
MDPI Open Access Publishing
6
Muséum National d'Histoire Naturelle (MNHM): HAL
6
Oxford University Press
6
Polar Research (E-Journal)
6
Université de Paris: Portail HAL
6
Archives ouvertes de Paris-Saclay
5
HAL de l'Institut Polytechnique de Paris
5
Instituto Español de Oceanografía: e-IEO
5
Max Planck Society: MPG.PuRe
5
NTNU Open Archive (Norwegian University of Science and Technology)
5
Oxford University Press (via Crossref)
5
University of Copenhagen: Research
5
University of Groningen research database
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
Arctic Portal Library
4
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
4
SAGE Publications
4
University of Southampton: e-Prints Soton
4
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
4
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