Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
47
DataCite Metadata Store (German National Library of Science and Technology)
41
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
15
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
14
Informa (via Crossref)
1
Polar Research (E-Journal)
1
ScienceDirect (Elsevier - via Crossref)
1