Content Provider
DataCite
30
University of North Texas: UNT Digital Library
10
Directory of Open Access Journals: DOAJ Articles
6
PANGAEA - Data Publisher for Earth & Environmental Science
4
Aarhus University: Research
3
DRO - Deakin Research Online
3
Hirsla - Landspítali University Hospital research archive
3
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
3
LSRC VL (Lithuanian Social Research Centre Virtual Library)
3
University of California: eScholarship
3
University of Copenhagen: Research
3
Apollo - University of Cambridge Repository
2
Instituto Politécnico do Porto: Repositório Científico (RECIPP)
2
TU Delft: Institutional Repository (Delft University of Technology)
2
University College London: UCL Discovery
2
University of Calgary Journal Hosting
2
University of Liège: ORBi (Open Repository and Bibliography)
2
University of Technology Sydney: OPUS - Open Publications of UTS Scholars
2
Aberdeen University Research Archive (AURA)
1
Biodiversity Heritage Library (BHL)
1
Carolina Digital Repository (UNC - University of North Carolina)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Eindhoven University of Technology research portal
1
EleA@Unisa (Università degli Studi di Salerno)
1
Opin vísindi (Iceland)
1
OsloMet (Oslo Metropolitan University): ODA (Open Digital Archive)
1
Queen's University Belfast Research Portal
1
Repositório Aberto da Universidade do Porto
1
SciELO Brazil (Scientific Electronic Library Online)
1
Sistema Sanitario Público de Andalucía (SSPA): Repositorio
1
Stellenbosch University: SUNScholar Research Repository
1
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
1
The University of Queensland: UQ eSpace
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
Universidade de São Paulo: Portal de Revistas da USP
1
University of Southern Denmark Research Portal
1
University of Toronto: Research Repository T-Space
1
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
1
Università Politecnica delle Marche: IRIS
1
Università degli Studi di Genova: CINECA IRIS
1
Università degli Studi di Udine: CINECA IRIS
1