Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
18
Unknown
14
WHO (World Health Organization): Institutional Repository for Information Sharing (IRIS)
12
Hirsla - Landspítali University Hospital research archive
11
Charles University CU Digital repository
9
University of Pittsburgh: Archive of European Integration (AEI)
9
Aarhus University: Research
6
Directory of Open Access Journals: DOAJ Articles
6
Swedish National Road and Transport Research Institute: Publications (DiVA)
5
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
4
SSOAR - Social Science Open Access Repository
4
The Nordic Africa Institute: Publications (DiVA)
4
USGS Science Data Catalog (via DataONE)
4
Uppsala University: Publications (DiVA)
4
Zenodo
4
norden (Nordic Council of Ministers): Publications (DiVA)
4
Ike Skelton Combined Arms Research Library (CARL) Digital Library
3
Jagiellonian University Repository
3
Lund University Publications (LUP)
3
National Institute for Health and Welfare (THL), Finland: Julkari
3
Naval Postgraduate School: Calhoun
3
Saint Petersburg State University: Research Repository (DSpace SPbU)
3
Umeå University: Publications (DiVA)
3
University College London: UCL Discovery
3
University of Copenhagen: Research
3
Biodiversity Heritage Library (BHL)
2
Digital Repository of Scientific Institutes (RCIN)
2
Kiel University Library: Digital Collections
2
MacSphere (McMaster University)
2
Norwegian Institute for Nature Research: Brage NINA
2
Regional and Global Biogeochemical Dynamics Data (RGD) (via DataONE)
2
Tufts Digital Library (TDL)
2
UQAM - Université du Québec à Montréal: archipel
2
University Scientific Journals University of Gdansk (UGN)
2
University of Economics, Prague (VŠE): Science and Research
2
AMUR - Adam Mickiewicz University Repository, Poznan
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Arctic Council Repository
1
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
1
Chalmers University of Technology: Chalmers research
1
Czech Academy of Sciences: dKNAV
1
Defense Technical Information Center: DTIC Technical Reports database
1
Digital Collections of Colorado (Colorado State University)
1
Doria (National Library of Finland)
1
EconStor (German National Library of Economics, ZBW)
1
Electrical Engineering and Power Engineering (EE&PE - E-Journal)
1
Florida International University: Digital Commons@FIU
1
GEUS Bulletin (Geological Survey of Denmark and Greenland)
1
HELDA – University of Helsinki Open Repository
1
HRB National Drugs Library (Health Research Board)
1
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