Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
29
Aarhus University: OJS at The State and University Library
14
Tidsskrift.dk (The Royal Library, Denmark)
14
University of Copenhagen: Research
6
University of Michigan: Digital Collections
2
Aalborg University's Research Portal
1
Cambridge University Press (via Crossref)
1
Directory of Open Access Journals: DOAJ Articles
1
Kiel University Library: Digital Collections
1
Lund University Publications Student Papers (LUP-SP)
1
University of Calgary Journal Hosting
1
University of Southern Denmark Research Portal
1
University of Toronto Press (U Toronto Press - via Crossref)
1
University of Tromsø: Septentrio Academic Publishing
1
University of Vienna: u:theses
1
WikiBooks - Open-content textbooks
1
Zenodo
1
Érudit.org (Université Montréal)
1