Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
10
Unknown
7
The Winnower
6
University of Tromsø: Munin Open Research Archive
5
Wiley Online Library
5
Directory of Open Access Journals: DOAJ Articles
4
Dryad Digital Repository (Duke University)
4
HELDA – University of Helsinki Open Repository
4
Jultika - University of Oulu repository
3
LaCRIS - University of Lapland Current Research System
3
Natural Resources Institute Finland: Jukuri
3
Umeå University: Publications (DiVA)
3
Norwegian Institute for Nature Research: Brage NINA
2
PubMed Central (PMC)
2
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
2
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Lund University Publications (LUP)
1
MDPI Open Access Publishing
1
Montana State University (MSU): ScholarWorks
1
NTNU Open Archive (Norwegian University of Science and Technology)
1
ORA - Oxford University Research Archive
1
Oxford University Press
1
Polar Research (E-Journal)
1
Swedish Polar Research Secretariat: Swedish Polar Bibliography (DiVA)
1
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
1
University of Calgary Journal Hosting
1
University of Lincoln: Lincoln Repository
1
University of Pretoria: UPSpace
1
University of Turku: UTUPub
1
Wageningen UR (University & Research Centre): Digital Library
1