Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5
Charles University CU Digital repository
4
Queensland University of Technology: QUT ePrints
4
Croatian Digital Theses Repository (National and University Library in Zagreb)
2
CyberLeninka (Scientific Electronic Library)
2
The Seattle Public Library Special Collections Online
2
University of Alberta: Era - Education and Research Archive
2
University of Washington, Seattle: Digital Collections
2
Aalto University Publication Archive (Aaltodoc)
1
Adam Mickiewicz University in Poznań: PRESSto
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Brigham Young University (BYU): ScholarsArchive
1
DAIS repository (Digital Archive of the Publications of the Serbian Academy of Sciences and Arts - SASA)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Dalarna University: Publications (DiVA)
1
Digital Library of University of Maribor
1
EconStor (German National Library of Economics, ZBW)
1
Faculty of Political Science of Zagreb University: FPZSG repository
1
Federation University Australia: Federation ResearchOnline
1
HAL Univ-Eiffel (Université Gustave Eiffel)
1
Halmstad University: Publications (DiVA)
1
Hrčak - Portal of scientific journals of Croatia
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Jagiellonian University Repository
1
Linnaeus University Kalmar Växjö: Publications (DiVA)
1
Lund University Publications Student Papers (LUP-SP)
1
North Dakota State University (NDSU): Digital Horizons
1
Repository of the University of Ljubljana (RUL)
1
Repository of the University of Rijeka
1
Tampere University: Trepo
1
The Portal to Texas History (University of North Texas)
1
Umeå University: Publications (DiVA)
1
University of Alaska: ScholarWorks@UA
1
University of California: eScholarship
1
University of North Texas: UNT Digital Library
1
University of Oslo (UiO): FRITT (E-Journals)
1
University of Southern Queensland: USQ ePrints
1
University of Toronto: Research Repository T-Space
1
Université Paris Nanterre: HAL
1
VERN' University of Applied Sciences Repository
1
Zenodo
1