Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
325
Zenodo
139
Cambridge University Press
18
Geological Society of London: Figshare
15
Polar Research (E-Journal)
8
Directory of Open Access Journals: DOAJ Articles
5
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
4
Unknown
4
HELDA – University of Helsinki Open Repository
3
Lund University Publications Student Papers (LUP-SP)
3
Biodiversity Heritage Library (BHL)
2
IEDA: EarthChem Library (via DataONE)
2
Informa
2
Informa (via Crossref)
2
Lund University Publications (LUP)
2
Norsk Polarinstitutt: Brage NP
2
Norwegian Polar Institute: Brage NP
2
ScienceDirect (Elsevier - via Crossref)
2
ScienceDirect (Elsevier)
2
University of Copenhagen: Research
2
American Museum of Natural History: AMNH scientific publications
1
Apollo - University of Cambridge Repository
1
BioOne Online Journals
1
Canadian Science Publishing (via Crossref)
1
DataverseNO
1
De Gruyter
1
Geological Quarterly
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
Magnolia press
1
ORA - Oxford University Research Archive
1
Polar Research
1
Publication Server of Goethe University Frankfurt am Main
1
Schweizerbart Science Publishers (via Crossref)
1
Springer Nature
1
Springer Nature (via Crossref)
1
Universitat de València: Open Journal Systems
1
University of Tromsø: Munin Open Research Archive
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Wiley Online Library
1