Content Provider
Institute for Marine Research: Brage IMR
109
HighWire Press (Stanford University)
5
DataCite Metadata Store (German National Library of Science and Technology)
4
ScienceDirect (Elsevier - via Crossref)
3
Oxford University Press
1
Oxford University Press (via Crossref)
1
RePEc (Research Papers in Economics)
1
Springer Nature (via Crossref)
1