Content Provider
Apollo - University of Cambridge Repository
1
Arctic Data Center (via DataONE)
123
DataCite Metadata Store (German National Library of Science and Technology)
9
Directory of Open Access Journals: DOAJ Articles
2
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
MDPI Open Access Publishing
2
PANGAEA - Data Publisher for Earth & Environmental Science
7
Siberian Federal University: Archiv Elektronnych SFU
1
Stockholm University: Publications (DiVA)
1
Unknown
1
Zenodo
2