Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
4
DataCite Metadata Store (German National Library of Science and Technology)
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Cologne University: KUPS
1
Copernicus Publications: E-Journals
1
Niedersächsisches Online-Archiv NOA
1