Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,523
PANGAEA - Data Publisher for Earth & Environmental Science
1,060
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
674
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
256
Directory of Open Access Journals: DOAJ Articles
223
Unknown
175
Copernicus Publications: E-Journals
113
University of Tromsø: Munin Open Research Archive
102
Zenodo
91
LeibnizOpen (The Leibniz Association)
84
ScienceDirect (Elsevier - via Crossref)
75
Niedersächsisches Online-Archiv NOA
74
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
65
Springer Nature (via Crossref)
61
Natural Environment Research Council: NERC Open Research Archive
56
Max Planck Society: MPG.PuRe
54
Institut national des sciences de l'Univers: HAL-INSU
52
Defense Technical Information Center: DTIC Technical Reports database
51
Frontiers: Figshare
49
Arctic Data Center (via DataONE)
47
University of Bergen: Bergen Open Research Archive (BORA-UiB)
46
PubMed Central (PMC)
42
Université de Nantes: HAL-UNIV-NANTES
39
Frontiers (Publisher)
37
Norsk Polarinstitutt: Brage NP
35
University of Southampton: e-Prints Soton
35
Technical University of Denmark: DTU Orbit
34
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
34
Wiley Online Library
29
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
28
HAL Sorbonne Université
27
Polar Research (E-Journal)
27
MDPI Open Access Publishing
26
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
26
Norwegian Polar Data Centre
26
ScienceDirect (Elsevier)
25
University of the Highlands and Islands: Research Database of UHI
24
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
24
Aarhus University: Research
23
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
23
NASA Technical Reports Server (NTRS)
23
Naval Postgraduate School: Calhoun
22
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
21
Digital.CSIC (Spanish National Research Council)
19
Institute for Marine Research: Brage IMR
18
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
18
École Polytechnique, Université Paris-Saclay: HAL
18
HighWire Press (Stanford University)
17
Muséum National d'Histoire Naturelle (MNHM): HAL
17
Archives ouvertes de Paris-Saclay
16
more ...