Content Provider
DRO - Deakin Research Online
5
Unknown
3
Digital Collections of Colorado (Colorado State University)
2
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
2
La Trobe University (Melbourne): Figshare
2
Mountain Scholar (Digital Collections of Colorado and Wyoming)
2
The Royal Society: Figshare
2
German Aerospace Center: elib - DLR electronic library
1
Leuphana University of Lüneburg: Forschungsindex FOX
1
Publication Server of Goethe University Frankfurt am Main
1
University of Leicester: Figshare
1