Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
83
DataCite Metadata Store (German National Library of Science and Technology)
18
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
8
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
Copernicus Publications: E-Journals
3
Niedersächsisches Online-Archiv NOA
2
Cologne University: KUPS
1
GEO-LEOe-docs (FID GEO)
1
ScienceDirect (Elsevier - via Crossref)
1
Springer Nature (via Crossref)
1
University of Freiburg: FreiDok
1
University of Sussex: Sussex Research Online
1