Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Springer Nature (via Crossref)
3
ACS Publications
1
ACS Publications (via Crossref)
1
PLOS
1
ScienceDirect (Elsevier)
1
Wiley Online Library (via Crossref)
1