Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
154
DataCite Metadata Store (German National Library of Science and Technology)
12
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
4
HighWire Press (Stanford University)
2
Copernicus Publications: E-Journals
1
Natural Environment Research Council: NERC Open Research Archive
1
Niedersächsisches Online-Archiv NOA
1