Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
471
OLAC: Open Language Archives Community
18
Directory of Open Access Journals: DOAJ Articles
5
NORA (National aggregator of open repositories of Russian universities)
5
CyberLeninka (Scientific Electronic Library)
4
Kazan Federal University Digital Repository
4
RePEc (Research Papers in Economics)
2
Tomsk State University Research Library
2
University of Sussex: Sussex Research Online
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archaeology, Ethnology & Anthropology of Eurasia (E-Journal)
1
Copernicus Publications: E-Journals
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Frontiers (Publisher)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Murdoch University: Murdoch Research Repository
1
Niedersächsisches Online-Archiv NOA
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PQDT Open: Open Access Dissertations and Theses (ProQuest)
1
PubMed Central (PMC)
1
University of Alaska: ScholarWorks@UA
1
University of Copenhagen: Research
1
University of Southampton: e-Prints Soton
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1