Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2
Directory of Open Access Journals: DOAJ Articles
2
HELDA – University of Helsinki Open Repository
2
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
Høgskolen i Innlandet: Brage INN
1
Lund University Publications (LUP)
1
Sapienza Università di Roma: CINECA IRIS
1
Umeå University: Publications (DiVA)
1
Unknown
1