Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
9
PANGAEA - Data Publisher for Earth & Environmental Science
7
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3
Copernicus Publications: E-Journals
3
Zenodo
3
Clark University: Clark Digital Commons
1
Niedersächsisches Online-Archiv NOA
1