Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,972
PANGAEA - Data Publisher for Earth & Environmental Science
1,156
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
684
DataCite
381
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
259
Directory of Open Access Journals: DOAJ Articles
249
Unknown
175
Copernicus Publications: E-Journals
127
University of Tromsø: Munin Open Research Archive
106
Zenodo
102
LeibnizOpen (The Leibniz Association)
88
Niedersächsisches Online-Archiv NOA
76
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
57
Institut national des sciences de l'Univers: HAL-INSU
56
Max Planck Society: MPG.PuRe
56
ScienceDirect (Elsevier)
55
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)
47
ScienceDirect (Elsevier - via Crossref)
46
Wiley Online Library
46
PubMed Central (PMC)
44
Université de Nantes: HAL-UNIV-NANTES
39
Frontiers (Publisher)
38
University of Southampton: e-Prints Soton
37
Norsk Polarinstitutt: Brage NP
35
Technical University of Denmark: DTU Orbit
35
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
34
HAL Sorbonne Université
29
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
29
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
28
MDPI Open Access Publishing
26
Norwegian Polar Data Centre
26
Aarhus University: Research
25
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
24
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
24
Polar Research (E-Journal)
24
University of the Highlands and Islands: Research Database of UHI
24
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
24
NASA Technical Reports Server (NTRS)
23
Naval Postgraduate School: Calhoun
22
Digital.CSIC (Spanish National Research Council)
19
Institute for Marine Research: Brage IMR
18
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
18
Muséum National d'Histoire Naturelle (MNHM): HAL
18
École Polytechnique, Université Paris-Saclay: HAL
18
Archives ouvertes de Paris-Saclay
17
more ...