Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,922
PANGAEA - Data Publisher for Earth & Environmental Science
3,686
Institute for Marine Research: Brage IMR
1,053
Unknown
690
Directory of Open Access Journals: DOAJ Articles
677
University of Tromsø: Munin Open Research Archive
533
NOAA NCEI Environmental Data Archive (via DataONE)
428
ScienceDirect (Elsevier - via Crossref)
376
Zenodo
330
ScienceDirect (Elsevier)
257
Springer Nature (via Crossref)
256
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
234
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
220
Wiley Online Library
186
CyberLeninka (Scientific Electronic Library)
185
HighWire Press (Stanford University)
175
University of Bergen: Bergen Open Research Archive (BORA-UiB)
174
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
150
Wiley Online Library (via Crossref)
147
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
141
PubMed Central (PMC)
138
NTNU Open Archive (Norwegian University of Science and Technology)
133
Defense Technical Information Center: DTIC Technical Reports database
130
Copernicus Publications: E-Journals
122
Frontiers: Figshare
109
Polar Research (E-Journal)
109
MDPI Open Access Publishing
105
Natural Environment Research Council: NERC Open Research Archive
92
Oxford University Press
89
Cambridge University Press
88
University of Stavanger: UiS Brage
88
Arctic Data Center (via DataONE)
84
Informa (via Crossref)
80
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)
65
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
65
Norsk Polarinstitutt: Brage NP
64
Norwegian Polar Institute: Brage NP
64
Oxford University Press (via Crossref)
58
NGU Open Archive (Geological Survey of Norway)
53
Institut national des sciences de l'Univers: HAL-INSU
51
Frontiers (Publisher)
50
LeibnizOpen (The Leibniz Association)
50
Max Planck Society: MPG.PuRe
50
University of Tromsø: Septentrio Academic Publishing
48
Norwegian Polar Data Centre
47
Aarhus University: Research
46
more ...