Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
7
DataCite Metadata Store (German National Library of Science and Technology)
4
Cologne University: KUPS
1
Niedersächsisches Online-Archiv NOA
1
ScienceDirect (Elsevier - via Crossref)
1
Springer Nature (via Crossref)
1
Zenodo
1