Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
37
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
13
DataCite Metadata Store (German National Library of Science and Technology)
9
Technical University of Denmark: DTU Orbit
2
Copernicus Publications: E-Journals
1
IOP Publishing
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1