Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5,226
PANGAEA - Data Publisher for Earth & Environmental Science
3,685
Institute for Marine Research: Brage IMR
1,059
Unknown
695
Directory of Open Access Journals: DOAJ Articles
685
University of Tromsø: Munin Open Research Archive
545
ScienceDirect (Elsevier - via Crossref)
515
NOAA NCEI Environmental Data Archive (via DataONE)
428
Zenodo
334
Springer Nature (via Crossref)
256
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
233
Wiley Online Library
230
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
220
CyberLeninka (Scientific Electronic Library)
185
HighWire Press (Stanford University)
175
University of Bergen: Bergen Open Research Archive (BORA-UiB)
172
Wiley Online Library (via Crossref)
159
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
150
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
142
PubMed Central (PMC)
138
NTNU Open Archive (Norwegian University of Science and Technology)
134
Defense Technical Information Center: DTIC Technical Reports database
130
Copernicus Publications: E-Journals
122
Oxford University Press (via Crossref)
114
ScienceDirect (Elsevier)
114
Frontiers: Figshare
112
Polar Research (E-Journal)
109
MDPI Open Access Publishing
105
Cambridge University Press
98
Institut national des sciences de l'Univers: HAL-INSU
92
Natural Environment Research Council: NERC Open Research Archive
92
Oxford University Press
88
University of Stavanger: UiS Brage
88
Arctic Data Center (via DataONE)
84
Informa (via Crossref)
83
Université de Nantes: HAL-UNIV-NANTES
79
Digital.CSIC (Spanish National Research Council)
73
Niedersächsisches Online-Archiv NOA
67
RePEc (Research Papers in Economics)
67
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
66
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
66
Norsk Polarinstitutt: Brage NP
64
Norwegian Polar Institute: Brage NP
64
Frontiers (Publisher)
62
Aarhus University: Research
57
LeibnizOpen (The Leibniz Association)
53
NGU Open Archive (Geological Survey of Norway)
53
Max Planck Society: MPG.PuRe
49
Technical University of Denmark: DTU Orbit
48
University of Tromsø: Septentrio Academic Publishing
48
more ...