Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
391
Arctic Data Center (via DataONE)
22
DataCite Metadata Store (German National Library of Science and Technology)
19
Directory of Open Access Journals: DOAJ Articles
4
Dryad Digital Repository (Duke University)
3
University of California: eScholarship
3
Connexions (Educational Material)
2
DIAL@UCLouvain (Université catholique de Louvain)
2
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
Unknown
2
Aarhus University: Research
1
Digital Commons University of South Florida (USF)
1
Lund University Publications (LUP)
1
NORA (National aggregator of open repositories of Russian universities)
1
National Research Council Canada: NRC Publications Archive
1
Purdue University Research Repository
1
Saint Petersburg State University: Research Repository (DSpace SPbU)
1
Stockholm University: Publications (DiVA)
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of Michigan: Deep Blue
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Toronto: Research Repository T-Space
1
University of Tyumen: UTMN Repository
1
Utah State University: DigitalCommons@USU
1
Utrecht University Repository
1
Vilnius University Virtual Library (VU VL)
1
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
1