Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,683
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
715
LeibnizOpen (The Leibniz Association)
311
University of Tromsø: Munin Open Research Archive
240
University of Copenhagen: Research
214
Aarhus University: Research
168
Unknown
168
NTNU Open Archive (Norwegian University of Science and Technology)
164
LaCRIS - University of Lapland Current Research System
160
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
128
Theseus.fi (Open Repository of the Universities of Applied Sciences)
115
Institute for Marine Research: Brage IMR
104
Aarhus University: OJS at The State and University Library
93
Tidsskrift.dk (The Royal Library, Denmark)
93
Norsk Polarinstitutt: Brage NP
91
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
90
norden (Nordic Council of Ministers): Publications (DiVA)
88
Springer Nature (via Crossref)
86
Directory of Open Access Journals: DOAJ Articles
85
Natural Resources Institute Finland: Jukuri
77
Zenodo
76
e-periodica (Swiss journals online, ETH Zurich)
76
Norwegian Polar Institute: Brage NP
71
Technical University of Denmark: DTU Orbit
68
Aalto University Publication Archive (Aaltodoc)
67
Doria (National Library of Finland)
67
Biodiversity Heritage Library (BHL)
66
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
64
University of Lapland: Lauda
60
VTT's Research Information Portal
60
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
54
Jultika - University of Oulu repository
50
University of Michigan: Digital Collections
50
University of Vienna: u:theses
50
Aalborg University's Research Portal
49
Federation of Finnish Learned Societies: Scientific Journals Online
48
WikiBooks - Open-content textbooks
48
Norwegian Institute for Nature Research: Brage NINA
46
Wiley Online Library
46
Danish Defense Research Portal
45
Lund University Publications Student Papers (LUP-SP)
42
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
41
University of Tromsø: Septentrio Academic Publishing
40
Open archive Norwegian University of Life Sciences: Brage NMBU
39
University of Southern Denmark Research Portal
39
ETH Zürich Research Collection
36
University of Potsdam: publish.UP
36
Uppsala University: Publications (DiVA)
36
NILU – Norwegian Institute for Air Research: NILU Brage
35
Max Planck Society: MPG.PuRe
34
more ...