Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
238
PANGAEA - Data Publisher for Earth & Environmental Science
231
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
11
Copernicus Publications: E-Journals
4
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
3
Niedersächsisches Online-Archiv NOA
2
Zenodo
2
NORCE vitenarkiv (Norwegian Research Centre)
1
Vrije Universiteit Amsterdam (VU): Research Portal
1