Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
529
Norwegian Institute for Nature Research: Brage NINA
17
University of Calgary Journal Hosting
4
Unknown
3
BioOne Online Journals
2
NTNU Open Archive (Norwegian University of Science and Technology)
2
Norsk Polarinstitutt: Brage NP
2
Norwegian Polar Institute: Brage NP
2
PubMed Central (PMC)
2
ScienceDirect (Elsevier - via Crossref)
2
Springer Nature (via Crossref)
2
Arctic Institute of North America
1
Canadian Science Publishing
1
Defense Technical Information Center: DTIC Technical Reports database
1
Directory of Open Access Journals: DOAJ Articles
1
HighWire Press (Stanford University)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
OpenAgrar (OA)
1
Stockholm University: Publications (DiVA)
1
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
1
The Canadian Field-Naturalist (E-Journal)
1
University of Tromsø: Munin Open Research Archive
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1
Zenodo
1